diff --git a/nx/include/switch/applets/libapplet.h b/nx/include/switch/applets/libapplet.h
index c17f3f4d..77792c62 100644
--- a/nx/include/switch/applets/libapplet.h
+++ b/nx/include/switch/applets/libapplet.h
@@ -47,7 +47,7 @@ Result libappletCreateWriteStorage(AppletStorage* s, const void* buffer, size_t
  * @param s Storage object.
  * @param buffer Output buffer.
  * @param size Size to read.
- * @param transfer_size Optional output size field for the actual size used for the read.
+ * @param transfer_size Optional output size field for the actual size used for the read, can be NULL.
  */
 Result libappletReadStorage(AppletStorage* s, void* buffer, size_t size, size_t *transfer_size);
 
@@ -71,10 +71,29 @@ Result libappletPushInData(AppletHolder *h, const void* buffer, size_t size);
  * @param h AppletHolder object.
  * @param buffer Output buffer.
  * @param size Size to read.
- * @param transfer_size Optional output size field for the actual size used for the read.
+ * @param transfer_size Optional output size field for the actual size used for the read, can be NULL.
  */
 Result libappletPopOutData(AppletHolder *h, void* buffer, size_t size, size_t *transfer_size);
 
+/**
+ * @brief Starts the applet and waits for it to finish, then checks the \ref LibAppletExitReason.
+ * @note Uses \ref appletHolderStart and \ref appletHolderJoin.
+ * @param h AppletHolder object.
+ */
+Result libappletStart(AppletHolder *h);
+
+/**
+ * @brief Creates a LibraryApplet with the specified input storage data, uses \ref libappletStart, and reads the output storage reply data via \ref libappletPopOutData.
+ * @param id \ref AppletId
+ * @param commonargs \ref LibAppletArgs struct.
+ * @param arg Input storage data buffer. Optional, can be NULL.
+ * @param arg_size Size of the arg buffer.
+ * @param reply Output storage data buffer. Optional, can be NULL.
+ * @param reply_size Size to read for the reply buffer.
+ * @param out_reply_size Actual read reply data size, see \ref libappletPopOutData.
+ */
+Result libappletLaunch(AppletId id, LibAppletArgs *commonargs, const void* arg, size_t arg_size, void* reply, size_t reply_size, size_t *out_reply_size);
+
 /// Wrapper for \ref appletPushToGeneralChannel, see appletPushToGeneralChannel regarding the requirements for using this.
 /// Returns to the main Home Menu, equivalent to pressing the HOME button.
 Result libappletRequestHomeMenu(void);
diff --git a/nx/source/applets/libapplet.c b/nx/source/applets/libapplet.c
index 374bdce3..c431ce5d 100644
--- a/nx/source/applets/libapplet.c
+++ b/nx/source/applets/libapplet.c
@@ -95,6 +95,44 @@ Result libappletPopOutData(AppletHolder *h, void* buffer, size_t size, size_t *t
     return rc;
 }
 
+Result libappletStart(AppletHolder *h) {
+    Result rc=0;
+
+    rc = appletHolderStart(h);
+
+    if (R_SUCCEEDED(rc)) {
+        appletHolderJoin(h);
+
+        LibAppletExitReason reason = appletHolderGetExitReason(h);
+
+        if (reason == LibAppletExitReason_Canceled || reason == LibAppletExitReason_Abnormal || reason == LibAppletExitReason_Unexpected) {
+            rc = MAKERESULT(Module_Libnx, LibnxError_LibAppletBadExit);
+        }
+    }
+
+    return rc;
+}
+
+Result libappletLaunch(AppletId id, LibAppletArgs *commonargs, const void* arg, size_t arg_size, void* reply, size_t reply_size, size_t *out_reply_size) {
+    Result rc=0;
+    AppletHolder holder;
+
+    rc = appletCreateLibraryApplet(&holder, id, LibAppletMode_AllForeground);
+    if (R_FAILED(rc)) return rc;
+
+    rc = libappletArgsPush(commonargs, &holder);
+
+    if (R_SUCCEEDED(rc) && arg && arg_size) rc = libappletPushInData(&holder, arg, arg_size);
+
+    if (R_SUCCEEDED(rc)) rc = libappletStart(&holder);
+
+    if (R_SUCCEEDED(rc) && reply && reply_size) rc = libappletPopOutData(&holder, reply, reply_size, out_reply_size);
+
+    appletHolderClose(&holder);
+
+    return rc;
+}
+
 Result libappletRequestHomeMenu(void) {
     u8 storagedata[0x10] = {0x53, 0x41, 0x4d, 0x53, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00};//RequestHomeMenu
     return _libappletQlaunchRequest(storagedata, sizeof(storagedata));