diff --git a/src/core/file_format/psf.cpp b/src/core/file_format/psf.cpp
index dd9da71ad..c11dc05c8 100644
--- a/src/core/file_format/psf.cpp
+++ b/src/core/file_format/psf.cpp
@@ -56,7 +56,7 @@ std::string PSF::GetString(const std::string& key) {
 
 u32 PSF::GetInteger(const std::string& key) {
     if (map_integers.find(key) != map_integers.end()) {
-        return map_integers.at(key); // TODO std::invalid_argument exception if it fails?
+        return map_integers.at(key);
     }
-    return 0;
+    return -1;
 }
diff --git a/src/core/libraries/app_content/app_content.cpp b/src/core/libraries/app_content/app_content.cpp
index 7008533f1..d0184cfaf 100644
--- a/src/core/libraries/app_content/app_content.cpp
+++ b/src/core/libraries/app_content/app_content.cpp
@@ -50,9 +50,29 @@ int PS4_SYSV_ABI sceAppContentAddcontUnmount() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceAppContentAppParamGetInt() {
-    LOG_ERROR(Lib_AppContent, "(STUBBED) called");
-    return ORBIS_OK;
+int PS4_SYSV_ABI sceAppContentAppParamGetInt(OrbisAppContentAppParamId paramId, s32* value) {
+    if (value == nullptr)
+        return 0x80D90002;
+    auto* param_sfo = Common::Singleton<PSF>::Instance();
+    switch (paramId) {
+    case ORBIS_APP_CONTENT_APPPARAM_ID_SKU_FLAG:
+        *value = ORBIS_APP_CONTENT_APPPARAM_SKU_FLAG_FULL;
+        break;
+    case ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_1:
+        *value = param_sfo->GetInteger("USER_DEFINED_PARAM_1");
+        break;
+    case ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_2:
+        *value = param_sfo->GetInteger("USER_DEFINED_PARAM_2");
+        break;
+    case ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_3:
+        *value = param_sfo->GetInteger("USER_DEFINED_PARAM_3");
+        break;
+    case ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_4:
+        *value = param_sfo->GetInteger("USER_DEFINED_PARAM_4");
+        break;
+    }
+    LOG_ERROR(Lib_AppContent, " paramId = {}, value = {}", paramId, *value);
+    return *value == -1 ? 0x80D90005 : ORBIS_OK;
 }
 
 int PS4_SYSV_ABI sceAppContentAppParamGetString() {
@@ -152,8 +172,10 @@ int PS4_SYSV_ABI sceAppContentTemporaryDataFormat() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceAppContentTemporaryDataGetAvailableSpaceKb() {
+int PS4_SYSV_ABI sceAppContentTemporaryDataGetAvailableSpaceKb(
+    const OrbisAppContentMountPoint* mountPoint, size_t* availableSpaceKb) {
     LOG_ERROR(Lib_AppContent, "(STUBBED) called");
+    *availableSpaceKb = 1073741824;
     return ORBIS_OK;
 }
 
@@ -170,7 +192,7 @@ int PS4_SYSV_ABI sceAppContentTemporaryDataMount2(OrbisAppContentTemporaryDataOp
     auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
     mnt->Mount(mount_dir, mountPoint->data);
     LOG_INFO(Lib_AppContent, "sceAppContentTemporaryDataMount2: option = {}, mountPoint = {}",
-             (option & 1), mountPoint->data);
+             option, mountPoint->data);
     return ORBIS_OK;
 }
 
diff --git a/src/core/libraries/app_content/app_content.h b/src/core/libraries/app_content/app_content.h
index 30a8e1c26..23ffe3a87 100644
--- a/src/core/libraries/app_content/app_content.h
+++ b/src/core/libraries/app_content/app_content.h
@@ -11,6 +11,15 @@ class SymbolsResolver;
 
 namespace Libraries::AppContent {
 
+constexpr int ORBIS_APP_CONTENT_APPPARAM_ID_SKU_FLAG = 0;
+constexpr int ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_1 = 1;
+constexpr int ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_2 = 2;
+constexpr int ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_3 = 3;
+constexpr int ORBIS_APP_CONTENT_APPPARAM_ID_USER_DEFINED_PARAM_4 = 4;
+
+constexpr int ORBIS_APP_CONTENT_APPPARAM_SKU_FLAG_TRIAL = 1;
+constexpr int ORBIS_APP_CONTENT_APPPARAM_SKU_FLAG_FULL = 3;
+
 struct OrbisAppContentInitParam {
     char reserved[32];
 };
@@ -28,6 +37,16 @@ typedef struct OrbisAppContentMountPoint {
     char data[ORBIS_APP_CONTENT_MOUNTPOINT_DATA_MAXSIZE];
 } OrbisAppContentMountPoint;
 
+constexpr int ORBIS_APP_CONTENT_TEMPORARY_DATA_OPTION_NONE = 0;
+constexpr int ORBIS_APP_CONTENT_TEMPORARY_DATA_OPTION_FORMAT = (1 << 0);
+constexpr int ORBIS_NP_UNIFIED_ENTITLEMENT_LABEL_SIZE = 17;
+typedef struct OrbisNpUnifiedEntitlementLabel {
+
+    char data[ORBIS_NP_UNIFIED_ENTITLEMENT_LABEL_SIZE];
+} OrbisNpUnifiedEntitlementLabel;
+
+typedef u32 OrbisAppContentAppParamId;
+
 int PS4_SYSV_ABI _Z5dummyv();
 int PS4_SYSV_ABI sceAppContentAddcontDelete();
 int PS4_SYSV_ABI sceAppContentAddcontEnqueueDownload();
@@ -35,7 +54,7 @@ int PS4_SYSV_ABI sceAppContentAddcontEnqueueDownloadSp();
 int PS4_SYSV_ABI sceAppContentAddcontMount();
 int PS4_SYSV_ABI sceAppContentAddcontShrink();
 int PS4_SYSV_ABI sceAppContentAddcontUnmount();
-int PS4_SYSV_ABI sceAppContentAppParamGetInt();
+int PS4_SYSV_ABI sceAppContentAppParamGetInt(OrbisAppContentAppParamId paramId, s32* value);
 int PS4_SYSV_ABI sceAppContentAppParamGetString();
 int PS4_SYSV_ABI sceAppContentDownload0Expand();
 int PS4_SYSV_ABI sceAppContentDownload0Shrink();
@@ -56,10 +75,11 @@ int PS4_SYSV_ABI sceAppContentSmallSharedDataGetAvailableSpaceKb();
 int PS4_SYSV_ABI sceAppContentSmallSharedDataMount();
 int PS4_SYSV_ABI sceAppContentSmallSharedDataUnmount();
 int PS4_SYSV_ABI sceAppContentTemporaryDataFormat();
-int PS4_SYSV_ABI sceAppContentTemporaryDataGetAvailableSpaceKb();
+int PS4_SYSV_ABI sceAppContentTemporaryDataGetAvailableSpaceKb(
+    const OrbisAppContentMountPoint* mountPoint, size_t* availableSpaceKb);
 int PS4_SYSV_ABI sceAppContentTemporaryDataMount();
 int PS4_SYSV_ABI sceAppContentTemporaryDataMount2(OrbisAppContentTemporaryDataOption option,
-                                                  OrbisAppContentMountPoint* mountPoint);
+                                                      OrbisAppContentMountPoint* mountPoint);
 int PS4_SYSV_ABI sceAppContentTemporaryDataUnmount();
 int PS4_SYSV_ABI sceAppContentGetPftFlag();
 int PS4_SYSV_ABI Func_C59A36FF8D7C59DA();
diff --git a/src/core/libraries/playgo/playgo.cpp b/src/core/libraries/playgo/playgo.cpp
index d7e6fbcf8..1a335a2a3 100644
--- a/src/core/libraries/playgo/playgo.cpp
+++ b/src/core/libraries/playgo/playgo.cpp
@@ -11,52 +11,63 @@ namespace Libraries::PlayGo {
 // this lib is used to play as the game is being installed.
 // can be skipped by just returning and assigning the correct values.
 
-int PS4_SYSV_ABI sceDbgPlayGoRequestNextChunk() {
+s32 PS4_SYSV_ABI sceDbgPlayGoRequestNextChunk() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceDbgPlayGoSnapshot() {
+s32 PS4_SYSV_ABI sceDbgPlayGoSnapshot() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoClose() {
+s32 PS4_SYSV_ABI scePlayGoClose() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoGetChunkId() {
+s32 PS4_SYSV_ABI scePlayGoGetChunkId() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoGetEta() {
+s32 PS4_SYSV_ABI scePlayGoGetEta() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoGetInstallSpeed() {
+s32 PS4_SYSV_ABI scePlayGoGetInstallSpeed() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoGetLanguageMask() {
+s32 PS4_SYSV_ABI scePlayGoGetLanguageMask(OrbisPlayGoHandle handle,
+                                          OrbisPlayGoLanguageMask* languageMask) {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
+    *languageMask = 1; // En, todo;
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoGetLocus() {
-    LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
+s32 PS4_SYSV_ABI scePlayGoGetLocus(OrbisPlayGoHandle handle, const OrbisPlayGoChunkId* chunkIds,
+                                   uint32_t numberOfEntries, OrbisPlayGoLocus* outLoci) {
+    LOG_ERROR(Lib_PlayGo, "(STUBBED)called handle = {}, chunkIds = {}, numberOfEntries = {}",
+              handle, *chunkIds, numberOfEntries);
+    // assign all now so that scePlayGoGetLocus is not called again for every single entry
+    std::fill(outLoci, outLoci + numberOfEntries,
+              OrbisPlayGoLocusValue::ORBIS_PLAYGO_LOCUS_LOCAL_FAST);
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoGetProgress() {
-    LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
-    return ORBIS_OK;
+s32 PS4_SYSV_ABI scePlayGoGetProgress(OrbisPlayGoHandle handle, const OrbisPlayGoChunkId* chunkIds,
+                                      uint32_t numberOfEntries, OrbisPlayGoProgress* outProgress) {
+    LOG_ERROR(Lib_PlayGo, "(STUBBED)called handle = {}, chunkIds = {}, numberOfEntries = {}",
+              handle, *chunkIds, numberOfEntries);
+    outProgress->progressSize = 0x10000; // todo?
+    outProgress->totalSize = 0x10000;
+    return 0;
 }
 
-int PS4_SYSV_ABI scePlayGoGetToDoList(OrbisPlayGoHandle handle, OrbisPlayGoToDo* outTodoList,
+s32 PS4_SYSV_ABI scePlayGoGetToDoList(OrbisPlayGoHandle handle, OrbisPlayGoToDo* outTodoList,
                                       u32 numberOfEntries, u32* outEntries) {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     if (handle != shadMagic)
@@ -67,7 +78,7 @@ int PS4_SYSV_ABI scePlayGoGetToDoList(OrbisPlayGoHandle handle, OrbisPlayGoToDo*
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoInitialize(OrbisPlayGoInitParams* param) {
+s32 PS4_SYSV_ABI scePlayGoInitialize(OrbisPlayGoInitParams* param) {
     if (param->bufAddr == nullptr)
         return ORBIS_PLAYGO_ERROR_BAD_POINTER;
     if (param->bufSize < 0x200000)
@@ -76,33 +87,35 @@ int PS4_SYSV_ABI scePlayGoInitialize(OrbisPlayGoInitParams* param) {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoOpen(OrbisPlayGoHandle* outHandle, const void* param) {
+s32 PS4_SYSV_ABI scePlayGoOpen(OrbisPlayGoHandle* outHandle, const void* param) {
     *outHandle = shadMagic;
     LOG_INFO(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoPrefetch() {
+s32 PS4_SYSV_ABI scePlayGoPrefetch() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoSetInstallSpeed() {
+s32 PS4_SYSV_ABI scePlayGoSetInstallSpeed() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoSetLanguageMask() {
+s32 PS4_SYSV_ABI scePlayGoSetLanguageMask(OrbisPlayGoHandle handle,
+                                          OrbisPlayGoLanguageMask languageMask) {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoSetToDoList() {
+s32 PS4_SYSV_ABI scePlayGoSetToDoList(OrbisPlayGoHandle handle, const OrbisPlayGoToDo* todoList,
+                                      uint32_t numberOfEntries) {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI scePlayGoTerminate() {
+s32 PS4_SYSV_ABI scePlayGoTerminate() {
     LOG_ERROR(Lib_PlayGo, "(STUBBED)called");
     return ORBIS_OK;
 }
diff --git a/src/core/libraries/playgo/playgo.h b/src/core/libraries/playgo/playgo.h
index 9c526d02b..a6b8c91d3 100644
--- a/src/core/libraries/playgo/playgo.h
+++ b/src/core/libraries/playgo/playgo.h
@@ -12,24 +12,29 @@ class SymbolsResolver;
 namespace Libraries::PlayGo {
 constexpr int shadMagic = 0x53484144;
 
-int PS4_SYSV_ABI sceDbgPlayGoRequestNextChunk();
-int PS4_SYSV_ABI sceDbgPlayGoSnapshot();
-int PS4_SYSV_ABI scePlayGoClose();
-int PS4_SYSV_ABI scePlayGoGetChunkId();
-int PS4_SYSV_ABI scePlayGoGetEta();
-int PS4_SYSV_ABI scePlayGoGetInstallSpeed();
-int PS4_SYSV_ABI scePlayGoGetLanguageMask();
-int PS4_SYSV_ABI scePlayGoGetLocus();
-int PS4_SYSV_ABI scePlayGoGetProgress();
-int PS4_SYSV_ABI scePlayGoGetToDoList(OrbisPlayGoHandle handle, OrbisPlayGoToDo* outTodoList,
+s32 PS4_SYSV_ABI sceDbgPlayGoRequestNextChunk();
+s32 PS4_SYSV_ABI sceDbgPlayGoSnapshot();
+s32 PS4_SYSV_ABI scePlayGoClose();
+s32 PS4_SYSV_ABI scePlayGoGetChunkId();
+s32 PS4_SYSV_ABI scePlayGoGetEta();
+s32 PS4_SYSV_ABI scePlayGoGetInstallSpeed();
+s32 PS4_SYSV_ABI scePlayGoGetLanguageMask(OrbisPlayGoHandle handle,
+                                          OrbisPlayGoLanguageMask* outLanguageMask);
+s32 PS4_SYSV_ABI scePlayGoGetLocus(OrbisPlayGoHandle handle, const OrbisPlayGoChunkId* chunkIds,
+                                   uint32_t numberOfEntries, OrbisPlayGoLocus* outLoci);
+s32 PS4_SYSV_ABI scePlayGoGetProgress(OrbisPlayGoHandle handle, const OrbisPlayGoChunkId* chunkIds,
+                                      uint32_t numberOfEntries, OrbisPlayGoProgress* outProgress);
+s32 PS4_SYSV_ABI scePlayGoGetToDoList(OrbisPlayGoHandle handle, OrbisPlayGoToDo* outTodoList,
                                       u32 numberOfEntries, u32* outEntries);
-int PS4_SYSV_ABI scePlayGoInitialize(OrbisPlayGoInitParams* param);
-int PS4_SYSV_ABI scePlayGoOpen(OrbisPlayGoHandle* outHandle, const void* param);
-int PS4_SYSV_ABI scePlayGoPrefetch();
-int PS4_SYSV_ABI scePlayGoSetInstallSpeed();
-int PS4_SYSV_ABI scePlayGoSetLanguageMask();
-int PS4_SYSV_ABI scePlayGoSetToDoList();
-int PS4_SYSV_ABI scePlayGoTerminate();
+s32 PS4_SYSV_ABI scePlayGoInitialize(OrbisPlayGoInitParams* param);
+s32 PS4_SYSV_ABI scePlayGoOpen(OrbisPlayGoHandle* outHandle, const void* param);
+s32 PS4_SYSV_ABI scePlayGoPrefetch();
+s32 PS4_SYSV_ABI scePlayGoSetInstallSpeed();
+s32 PS4_SYSV_ABI scePlayGoSetLanguageMask(OrbisPlayGoHandle handle,
+                                          OrbisPlayGoLanguageMask languageMask);
+s32 PS4_SYSV_ABI scePlayGoSetToDoList(OrbisPlayGoHandle handle, const OrbisPlayGoToDo* todoList,
+                                      uint32_t numberOfEntries);
+s32 PS4_SYSV_ABI scePlayGoTerminate();
 
 void RegisterlibScePlayGo(Core::Loader::SymbolsResolver* sym);
 } // namespace Libraries::PlayGo
\ No newline at end of file
diff --git a/src/core/libraries/playgo/playgo_types.h b/src/core/libraries/playgo/playgo_types.h
index 72a7439f3..62dea4f4e 100644
--- a/src/core/libraries/playgo/playgo_types.h
+++ b/src/core/libraries/playgo/playgo_types.h
@@ -24,6 +24,23 @@ typedef struct OrbisPlayGoToDo {
     s8 reserved;
 } OrbisPlayGoToDo;
 
+typedef struct OrbisPlayGoProgress {
+    uint64_t progressSize;
+    uint64_t totalSize;
+} OrbisPlayGoProgress;
+
+typedef enum OrbisPlayGoLocusValue {
+    ORBIS_PLAYGO_LOCUS_NOT_DOWNLOADED = 0,
+    ORBIS_PLAYGO_LOCUS_LOCAL_SLOW = 2,
+    ORBIS_PLAYGO_LOCUS_LOCAL_FAST = 3
+} OrbisPlayGoLocusValue;
+
+typedef enum OrbisPlayGoInstallSpeedValue {
+    ORBIS_PLAYGO_INSTALL_SPEED_SUSPENDED = 0,
+    ORBIS_PLAYGO_INSTALL_SPEED_TRICKLE = 1,
+    ORBIS_PLAYGO_INSTALL_SPEED_FULL = 2
+} OrbisPlayGoInstallSpeedValue;
+
 constexpr int ORBIS_PLAYGO_ERROR_UNKNOWN = -2135818239;             /* 0x80B20001 */
 constexpr int ORBIS_PLAYGO_ERROR_FATAL = -2135818238;               /* 0x80B20002 */
 constexpr int ORBIS_PLAYGO_ERROR_NO_MEMORY = -2135818237;           /* 0x80B20003 */