One of the best VR cardboard games here

If you see double vision you can fix it by clicking on the little settings button in the bottom center of the app and scanning the QR code of your viewer (if you dont have a qr code on your viewer you can find it online). VR Flappy for Google Cardboard is one of the best cardboard VR games there is!

Endless game lover about VR Flappy for Google Cardboard