Linux version is a executable Java jar file which should work just fine on every Linux .
Quick Guide For Ubuntu And Other Linux Versions.
Once you download it ,right click on your RemoteMagicMouseServer.Jar file and select Open with OpenJDK Java Runtime or Open With Sun Java Runtime shown on the screenshot.
3. Little Server Window Up And Running
You are almost ready to go ,you should see Remote Magic Mouse Server window running. Use the ip number for next step to get connected.
Now your server is running ,enter your ip number on your Remote Magic Mouse App on your phone to connect your computer.
5.Just In Case
If the ip number is not right and you could not get connected or if you are connected to your wifi modem(router) via lan cable and not using any wifi devices. then you should check your eth0 interface ip number ,below is an example of the Devices-Network Tools on Ubuntu, it shows you the wlan0 interface ip number. You can check your eth0 interface ip and use it only if your connected to your wifi home network via lan cable. Good Luck.