diff --git a/nx/include/switch/services/applet.h b/nx/include/switch/services/applet.h
index a6a082cd..58ed6b3e 100644
--- a/nx/include/switch/services/applet.h
+++ b/nx/include/switch/services/applet.h
@@ -2284,6 +2284,7 @@ Result appletGetHomeButtonDoubleClickEnabled(bool *out);
 /**
  * @brief Open an \ref AppletApplication for the currently running Application.
  * @note Should not be used when no Application is running.
+ * @note Only available on [1.0.0-9.2.0].
  * @param[out] a \ref AppletApplication
  */
 Result appletOpenMainApplication(AppletApplication *a);
diff --git a/nx/include/switch/services/ldr.h b/nx/include/switch/services/ldr.h
index 859eb8e8..acc753f1 100644
--- a/nx/include/switch/services/ldr.h
+++ b/nx/include/switch/services/ldr.h
@@ -66,4 +66,4 @@ Result ldrPmCreateProcess(u64 pin_id, u32 flags, Handle reslimit_h, Handle *out_
 Result ldrPmGetProgramInfo(const NcmProgramLocation *loc, LoaderProgramInfo *out_program_info);
 Result ldrPmPinProgram(const NcmProgramLocation *loc, u64 *out_pin_id);
 Result ldrPmUnpinProgram(u64 pin_id);
-Result ldrPmSetEnabledProgramVerification(bool enabled);
+Result ldrPmSetEnabledProgramVerification(bool enabled); ///< [10.0.0+]
diff --git a/nx/source/services/applet.c b/nx/source/services/applet.c
index dbb21b01..4249343f 100644
--- a/nx/source/services/applet.c
+++ b/nx/source/services/applet.c
@@ -2726,7 +2726,13 @@ IPC_MAKE_CMD_IMPL_HOSVER(Result appletGetHomeButtonDoubleClickEnabled(bool *out)
 
 // IDebugFunctions
 
-IPC_MAKE_CMD_IMPL(Result appletOpenMainApplication(AppletApplication *a),                &g_appletIDebugFunctions, 1,  _appletApplicationCreate, a)
+Result appletOpenMainApplication(AppletApplication *a) {
+    if (hosversionAtLeast(10,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return _appletApplicationCreate(&g_appletIDebugFunctions, a, 1);
+}
+
 IPC_MAKE_CMD_IMPL(Result appletPerformSystemButtonPressing(AppletSystemButtonType type), &g_appletIDebugFunctions, 10, _appletCmdInU32NoOut,     type)
 IPC_MAKE_CMD_IMPL(Result appletInvalidateTransitionLayer(void),                          &g_appletIDebugFunctions, 20, _appletCmdNoIO)