diff --git a/src/core/hle/libraries/libs.h b/src/core/hle/libraries/libs.h
index 4695be8d..bb86827b 100644
--- a/src/core/hle/libraries/libs.h
+++ b/src/core/hle/libraries/libs.h
@@ -41,7 +41,7 @@
     { LOG_WARN_IF(true, "dummy {}()\n", __func__); }
 
 #define PRINT_UNIMPLEMENTED_FUNCTION_NAME()                                                        \
-    { LOG_ERROR_IF(true, "{}()\n", __func__); }
+    { LOG_ERROR_IF(true, "Unimplemented {}()\n", __func__); }
 
 namespace OldLibraries {
 
diff --git a/src/core/libraries/libscesystemservice.cpp b/src/core/libraries/libscesystemservice.cpp
index 545d3ca9..d45a781b 100644
--- a/src/core/libraries/libscesystemservice.cpp
+++ b/src/core/libraries/libscesystemservice.cpp
@@ -1708,8 +1708,10 @@ int PS4_SYSV_ABI sceSystemServiceGetAppType() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceSystemServiceGetDisplaySafeAreaInfo() {
-    PRINT_UNIMPLEMENTED_FUNCTION_NAME();
+s32 PS4_SYSV_ABI sceSystemServiceGetDisplaySafeAreaInfo(SystemServiceDisplaySafeAreaInfo* info) {
+    // TODO error handling
+    PRINT_FUNCTION_NAME();
+    info->ratio = 1.0f;
     return ORBIS_OK;
 }
 
diff --git a/src/core/libraries/libscesystemservice.h b/src/core/libraries/libscesystemservice.h
index 7c7683f3..1eee5b97 100644
--- a/src/core/libraries/libscesystemservice.h
+++ b/src/core/libraries/libscesystemservice.h
@@ -3,9 +3,9 @@
 
 #pragma once
 
-#include "library_common.h" 
+#include "library_common.h"
 
-namespace Libraries::SystemService{
+namespace Libraries::SystemService {
 
 struct SceSystemServiceStatus {
     s32 eventNum;
@@ -17,6 +17,11 @@ struct SceSystemServiceStatus {
     u8 reserved[];
 };
 
+struct SystemServiceDisplaySafeAreaInfo {
+    float ratio;
+    uint8_t reserved[128];
+};
+
 int PS4_SYSV_ABI sceAppMessagingClearEventFlag();
 int PS4_SYSV_ABI sceAppMessagingReceiveMsg();
 int PS4_SYSV_ABI sceAppMessagingSendMsg();
@@ -357,7 +362,7 @@ int PS4_SYSV_ABI sceSystemServiceGetAppIdOfBigApp();
 int PS4_SYSV_ABI sceSystemServiceGetAppIdOfMiniApp();
 int PS4_SYSV_ABI sceSystemServiceGetAppStatus();
 int PS4_SYSV_ABI sceSystemServiceGetAppType();
-int PS4_SYSV_ABI sceSystemServiceGetDisplaySafeAreaInfo();
+s32 PS4_SYSV_ABI sceSystemServiceGetDisplaySafeAreaInfo(SystemServiceDisplaySafeAreaInfo* info);
 int PS4_SYSV_ABI sceSystemServiceGetEventForDaemon();
 int PS4_SYSV_ABI sceSystemServiceGetGpuLoadEmulationMode();
 int PS4_SYSV_ABI sceSystemServiceGetHdrToneMapLuminance();
@@ -487,5 +492,5 @@ int PS4_SYSV_ABI sceSystemServiceReenableVoiceRecognition();
 int PS4_SYSV_ABI Func_6B1CDB955F0EBD65();
 int PS4_SYSV_ABI Func_CB5E885E225F69F0();
 
-void RegisterlibSceSystemService(Core::Loader::SymbolsResolver * sym);
-}
\ No newline at end of file
+void RegisterlibSceSystemService(Core::Loader::SymbolsResolver* sym);
+} // namespace Libraries::SystemService
\ No newline at end of file
diff --git a/src/core/libraries/libsceuserservice.cpp b/src/core/libraries/libsceuserservice.cpp
index fe84f0e3..a97aacdf 100644
--- a/src/core/libraries/libsceuserservice.cpp
+++ b/src/core/libraries/libsceuserservice.cpp
@@ -1020,8 +1020,10 @@ int PS4_SYSV_ABI sceUserServiceGetTraditionalChineseInputType() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceUserServiceGetUserColor() {
-    PRINT_UNIMPLEMENTED_FUNCTION_NAME();
+s32 PS4_SYSV_ABI sceUserServiceGetUserColor(int user_id,int *color) {
+    // TODO fix me better
+    PRINT_DUMMY_FUNCTION_NAME();
+    *color=0; // blue
     return ORBIS_OK;
 }
 
@@ -1040,8 +1042,9 @@ int PS4_SYSV_ABI sceUserServiceGetUserGroupNum() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceUserServiceGetUserName() {
-    PRINT_UNIMPLEMENTED_FUNCTION_NAME();
+s32 PS4_SYSV_ABI sceUserServiceGetUserName(int user_id, char* user_name, std::size_t size) {
+    // TODO error checking and configurable username
+    snprintf(user_name, size, "%s", "shadps4");
     return ORBIS_OK;
 }
 
diff --git a/src/core/libraries/libsceuserservice.h b/src/core/libraries/libsceuserservice.h
index d0b3522a..e675e581 100644
--- a/src/core/libraries/libsceuserservice.h
+++ b/src/core/libraries/libsceuserservice.h
@@ -216,11 +216,11 @@ int PS4_SYSV_ABI sceUserServiceGetTopMenuLimitItem();
 int PS4_SYSV_ABI sceUserServiceGetTopMenuNotificationFlag();
 int PS4_SYSV_ABI sceUserServiceGetTopMenuTutorialFlag();
 int PS4_SYSV_ABI sceUserServiceGetTraditionalChineseInputType();
-int PS4_SYSV_ABI sceUserServiceGetUserColor();
+s32 PS4_SYSV_ABI sceUserServiceGetUserColor(int user_id, int* color);
 int PS4_SYSV_ABI sceUserServiceGetUserGroupName();
 int PS4_SYSV_ABI sceUserServiceGetUserGroupNameList();
 int PS4_SYSV_ABI sceUserServiceGetUserGroupNum();
-int PS4_SYSV_ABI sceUserServiceGetUserName();
+s32 PS4_SYSV_ABI sceUserServiceGetUserName(int user_id, char* user_name, std::size_t size);
 int PS4_SYSV_ABI sceUserServiceGetUserStatus();
 int PS4_SYSV_ABI sceUserServiceGetVibrationEnabled();
 int PS4_SYSV_ABI sceUserServiceGetVoiceRecognitionLastUsedOsk();