diff --git a/include/coreinit/mcp.h b/include/coreinit/mcp.h
index ec3a635..7d2758e 100644
--- a/include/coreinit/mcp.h
+++ b/include/coreinit/mcp.h
@@ -11,18 +11,45 @@
 extern "C" {
 #endif
 
-typedef struct MCPInstallProgress MCPInstallProgress;
-typedef struct MCPInstallInfo MCPInstallInfo;
-typedef struct MCPInstallTitleInfo MCPInstallTitleInfo;
+typedef int32_t MCPError;
+
 typedef struct MCPDevice MCPDevice;
 typedef struct MCPDeviceList MCPDeviceList;
+typedef struct MCPInstallInfo MCPInstallInfo;
+typedef struct MCPInstallProgress MCPInstallProgress;
+typedef struct MCPInstallTitleInfo MCPInstallTitleInfo;
+typedef struct MCPSysProdSettings MCPSysProdSettings;
+typedef struct MCPTitleListType MCPTitleListType;
+
+typedef enum MCPAppType
+{
+   MCP_APP_TYPE_UNKNOWN_0x0800000E     = 0x0800000E,
+} MCPAppType;
 
 typedef enum MCPInstallTarget
 {
-   MCP_INSTALL_TARGET_MLC  = 0,
-   MCP_INSTALL_TARGET_USB  = 1,
+   MCP_INSTALL_TARGET_MLC              = 0,
+   MCP_INSTALL_TARGET_USB              = 1,
 } MCPInstallTarget;
 
+struct MCPDevice
+{
+   char name[0x31B];
+};
+WUT_CHECK_SIZE(MCPDevice, 0x31B);
+
+struct MCPDeviceList
+{
+   MCPDevice devices[32];
+};
+WUT_CHECK_SIZE(MCPDeviceList, 0x6360);
+
+struct MCPInstallInfo
+{
+   WUT_UNKNOWN_BYTES(0x27F);
+};
+WUT_CHECK_SIZE(MCPInstallInfo, 0x27F);
+
 struct WUT_PACKED MCPInstallProgress
 {
    uint32_t inProgress;
@@ -40,82 +67,190 @@ WUT_CHECK_OFFSET(MCPInstallProgress, 0x1C, contentsTotal);
 WUT_CHECK_OFFSET(MCPInstallProgress, 0x20, contentsProgress);
 WUT_CHECK_SIZE(MCPInstallProgress, 0x24);
 
-struct MCPInstallInfo
-{
-   WUT_UNKNOWN_BYTES(0x27F);
-};
-WUT_CHECK_SIZE(MCPInstallInfo, 0x27F);
-
 struct MCPInstallTitleInfo
 {
    WUT_UNKNOWN_BYTES(0x27F);
 };
 WUT_CHECK_SIZE(MCPInstallTitleInfo, 0x27F);
 
-struct MCPDevice
+struct WUT_PACKED MCPSysProdSettings
 {
-   char name[0x31B];
-};
-WUT_CHECK_SIZE(MCPDevice, 0x31B);
+   uint32_t version;
+   uint32_t cmdFlags;
+   uint64_t default_os_id;
+   uint64_t default_title_id;
 
-struct MCPDeviceList
+   struct
+   {
+      uint32_t enable;
+      uint32_t max_size;
+   } log;
+
+   struct
+   {
+      uint32_t enable;
+   } standby;
+
+   struct
+   {
+      uint32_t cache_user_code;
+      uint32_t max_file_size;
+      uint32_t cache_delay_ms;
+   } ramdisk;
+
+   uint32_t simulated_ppc_mem2_size;
+   uint32_t dev_mode;
+   uint64_t prev_title_id;
+   uint64_t prev_os_id;
+   uint32_t default_app_type;
+   char default_device_type[16];
+   uint32_t default_device_index;
+   uint32_t fast_relaunch_value;
+   uint64_t default_eco_title_id;
+};
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x00, version);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x04, cmdFlags);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x08, default_os_id);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x10, default_title_id);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x18, log.enable);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x1C, log.max_size);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x20, standby.enable);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x24, ramdisk.cache_user_code);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x28, ramdisk.max_file_size);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x2C, ramdisk.cache_delay_ms);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x30, simulated_ppc_mem2_size);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x34, dev_mode);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x38, prev_title_id);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x40, prev_os_id);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x48, default_app_type);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x4C, default_device_type);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x5C, default_device_index);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x60, fast_relaunch_value);
+WUT_CHECK_OFFSET(MCPSysProdSettings, 0x64, default_eco_title_id);
+WUT_CHECK_SIZE(MCPSysProdSettings, 0x6C);
+
+struct WUT_PACKED MCPTitleListType
 {
-   MCPDevice devices[32];
+   uint64_t titleId;
+   WUT_UNKNOWN_BYTES(4);
+   char path[56];
+   MCPAppType appType;
+   WUT_UNKNOWN_BYTES(0x54 - 0x48);
+   uint8_t device;
+   WUT_UNKNOWN_BYTES(1);
+   char indexedDevice[10];
+   uint8_t unk0x60;
 };
-WUT_CHECK_SIZE(MCPDeviceList, 0x31B*32);
+WUT_CHECK_OFFSET(MCPTitleListType, 0x00, titleId);
+WUT_CHECK_OFFSET(MCPTitleListType, 0x0C, path);
+WUT_CHECK_OFFSET(MCPTitleListType, 0x44, appType);
+WUT_CHECK_OFFSET(MCPTitleListType, 0x54, device);
+WUT_CHECK_OFFSET(MCPTitleListType, 0x56, indexedDevice);
+WUT_CHECK_OFFSET(MCPTitleListType, 0x60, unk0x60);
+WUT_CHECK_SIZE(MCPTitleListType, 0x61);
 
-int
+MCPError
 MCP_Open();
 
-int
+MCPError
 MCP_Close(int handle);
 
-int
-MCP_InstallSetTargetDevice(int handle,
-                           MCPInstallTarget device);
-
-int
-MCP_InstallGetTargetDevice(int handle,
-                           MCPInstallTarget *deviceOut);
-
-int
-MCP_InstallSetTargetUsb(int handle,
-                        int usb);
-
-int
-MCP_InstallGetInfo(int handle,
-                   char *path,
-                   MCPInstallInfo *out);
-
-int
-MCP_InstallTitleAsync(int handle,
-                      char *path,
-                      MCPInstallTitleInfo *out);
-
-int
-MCP_InstallGetProgress(int handle,
-                       MCPInstallProgress *installProgressOut);
-
-int
-MCP_InstallTitleAbort(int handle);
-
-int
-MCP_UninstallTitleAsync(int handle,
-                        char *path,
-                        MCPInstallTitleInfo *out);
-
-int
+MCPError
 MCP_DeviceList(int handle,
                int *numDevices,
                MCPDeviceList *outDevices,
                uint32_t outBufferSize);
 
-int
+MCPError
 MCP_FullDeviceList(int handle,
                    int *numDevices,
                    MCPDeviceList *outDevices,
                    uint32_t outBufferSize);
 
+MCPError
+MCP_GetOwnTitleInfo(int32_t handle,
+                    MCPTitleListType *titleInfo);
+
+MCPError
+MCP_GetSysProdSettings(int32_t handle,
+                       MCPSysProdSettings *settings);
+
+MCPError
+MCP_GetTitleId(int32_t handle,
+               uint64_t *outTitleId);
+
+MCPError
+MCP_GetTitleInfo(int32_t handle,
+                 uint64_t titleId,
+                 MCPTitleListType *titleInfo);
+
+MCPError
+MCP_InstallSetTargetDevice(int handle,
+                           MCPInstallTarget device);
+
+MCPError
+MCP_InstallGetTargetDevice(int handle,
+                           MCPInstallTarget *deviceOut);
+
+MCPError
+MCP_InstallSetTargetUsb(int handle,
+                        int usb);
+
+MCPError
+MCP_InstallGetInfo(int handle,
+                   char *path,
+                   MCPInstallInfo *out);
+
+MCPError
+MCP_InstallTitleAsync(int handle,
+                      char *path,
+                      MCPInstallTitleInfo *out);
+
+MCPError
+MCP_InstallGetProgress(int handle,
+                       MCPInstallProgress *installProgressOut);
+
+MCPError
+MCP_InstallTitleAbort(int handle);
+
+MCPError
+MCP_TitleCount(int32_t handle);
+
+MCPError
+MCP_TitleList(int32_t handle,
+              uint32_t *outTitleCount,
+              MCPTitleListType *titleList,
+              uint32_t titleListSizeBytes);
+
+MCPError
+MCP_TitleListByAppType(int32_t handle,
+                       MCPAppType appType,
+                       uint32_t *outTitleCount,
+                       MCPTitleListType *titleList,
+                       uint32_t titleListSizeBytes);
+
+MCPError
+MCP_TitleListByUniqueId(int32_t handle,
+                        uint32_t uniqueId,
+                        uint32_t *outTitleCount,
+                        MCPTitleListType *titleList,
+                        uint32_t titleListSizeBytes);
+
+MCPError
+MCP_TitleListByUniqueIdAndIndexedDeviceAndAppType(int32_t handle,
+                                                  uint32_t uniqueId,
+                                                  const char *indexedDevice,
+                                                  uint8_t unk0x60,
+                                                  MCPAppType appType,
+                                                  uint32_t *outTitleCount,
+                                                  MCPTitleListType *titleList,
+                                                  uint32_t titleListSizeBytes);
+
+MCPError
+MCP_UninstallTitleAsync(int handle,
+                        char *path,
+                        MCPInstallTitleInfo *out);
+
 #ifdef __cplusplus
 }
 #endif