docs: there is no PK mobile yet

Author: CryptoTotalWar

docs/tutorials/polykey-mobile/README.md

@@ -2,6 +2,8 @@ import DocCardList from '@theme/DocCardList';
 
 # Polykey Mobile
 
-[Polykey Mobile](https://github.com/MatrixAI/Polykey-Mobile)
+[Polykey Mobile](https://github.com/MatrixAI/Polykey-Mobile) is the mobile application providing a graphical user interface for managing interactions with the Polykey network from your mobile device. It is still currently under development. As of now, there are no tutorials for Polykey Mobile.
+
+Follow our development on [GitHub](https://github.com/MatrixAI/Polykey-Desktop).
 
 <DocCardList />