update for verions 0.2

Author: Shrey113

README.md

@@ -82,6 +82,9 @@ Everything runs in real time.(*Depend on your wifi speed & Device performance)
 | Ctrl + F | Toggle Fullscreen |
 | Ctrl + W | Toggle Border     |
 | Ctrl + S | Open Settings     |
+| Ctrl + B | Go Back     |
+| Ctrl + R | Open Recent Apps     |
+| Ctrl + H | Go to Home Screen     |
 
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