make sure you have a working GameGem app, i dont wanna see someone chating on this topic about not working code, but he dont know his dont have a right GameGem app
test your GameGem first whit other app
try to serch some falue...
you can get GameGem form bigboss reppo, or you can download the deb file
on here : https://github.com/thilong/GameGemPackages/find/master?q=
Recomment : if your GameGem keep showing 0 matches try this methot... [HIDDEN CONTENT]
!(use it at your own risk)!