Use APKPure App
Get PC-KEYBOARD old version APK for Android
Verwenden Sie dieses Android-Tastatur für Ihren PC.
Download the archive from this link
http://andromouse.com/AndroMouse%20Server%203.0.zip
-- You need to have java installed in your PC.
To connect using Wi-Fi, your PC and your smartphone need to be connected to the same network
Enter the IP address generated by the server when asked.
Enjoy!