Hello, i have made very simple code to play games with my rc controller! Quick demo: YT VID
It is working on Radio receiver but should also work on 2.4ghz. It supports only 2 channels but you can expand it if you want.
Download: GITHUB
*I don't have and Arduino Uno so i can't port it to UnoJoy but if you have done it just post it here, i will link it to this post 