Ran into this issue when i got a new tablet, seems the game file link or server that google playstore pulls the game file data from is no longer working or broken . My work around was that i still had FM 21 touch installed on my old tablet and i was able to copy the game data from the old tablet to my new tablet. It takes some figuring out and properly mapping out of the right directory to put the game file so it can load after downloading the dummy app on google play. I've also backed this game data files up. Shame they stopped releasing for Andorid and IOS.