[App] How to install Roon on Zappiti

/!\ /!\ /!\ Please note that this is a "tweak" and not a stable version because Zappiti players do not work in Roon multiroom mode in a stable way.
To install Roon on your player, please follow the steps below :
1/ Download the APK from the following website:
https://roonlabs.com/downloads
Then copy the file on a USB flash drive.
https://roonlabs.com/downloads
Then copy the file on a USB flash drive.
2/ Plug the USB flash drive on your player, then launch Zappiti Explorer and click on “RoonMobileApk”.
3/ Validate the dialog boxes necessary to continue the installation.
4/ From the App menu on your Zappiti player, launch Roon (NB: It’s normal that the App stay in landscape mode).
5/Use the mouse mode on your remote to select the button “I agree”then click on it.
6/ Choose your Roon server and validate.
7/Launch Roon Remote app from your smartphone or android/apple tablet then choose MENU > Settings and Audio.
8/ In the devices list, scroll the recognize devices until you find the Zappiti player name and click on Activate.
9/ Click on the “gear” of the Zappiti player to access to your configuration.
10/ Deactivate “private zone” option and click on Register.
11/ When you want to play music on your Zappiti player, you will have to launch the Roon application from the Zappiti player.