diff --git a/README.md b/README.md
index a62c77d..6909974 100644
--- a/README.md
+++ b/README.md
@@ -3,10 +3,14 @@ Welcome to the mirror app for android. A simple mirror using your front camera.
 Currently This is a pre-release application, so it means it will have some rough edges and feature missing, but you are still welcomed to fix bugs, translate this app by sending a Pull Request or opening an Issue.
 ## Features
  * Just a mirrror, no ads, no background tracking (just see the source code if you don't trust me);
+ * a minimal app, no neccesary effect or information, or settings, since CameraX will choose the correct resolution for you.
  * free to use/modify, with GNU GPL covered.
+## System requirements
+ * Needs Android 6.0 (Marshmallow) or later to work;
+ * currently have not supported for the Android 13 (Tiramisu).
 ## Current Bugs
-These are the bugs we want you to fix
+These are the bugs we need you (developers) to fix:
  * The Full-Screen feature is deprecated in Java (MainActivity.kt)
- * This crashes when you rotate due to the google CameraX API implementation.
+ * This is locked to landscape orientation due to it will crashes when you rotate in the 1.0.1-alpha release of Mirror, so it will affect some of chromebook users with multi-window mode using this application.
 ## License
 This app is free software: You have the rights to re-distribute it and/or modify it under the terms of GNU General Public License (as published by the Free software foundation; either version 2, or any later version. See LICENSE for more detail.