Use RemoteXY for Android communication

I am not sure how this is working.

I tried making a new project in the editor.
I get the files to use with arduino, works OK.

But when i click on the "Download android application" (on my phone) I am redirected to the Android play shop, where I can download the RemoteXY app.

But this app just does nothing, and are certainly not the app that I made in the editor: