I'm not sure if my progress is being saved.
Make sure you have iCloud enabled.
1) Exit TowerMadness 2 and open the "Settings" app.
2) Scroll down to "iCloud" and tap Account to sign in.
1) Launch TowerMadness 2 and tap the "gear" icon at the bottom left corner to access the Settings menu.
2) Tap "Restore Backup" and tap the green checkmark to enable Google Drive Backups.
3) Choose your existing Google Play account ID and tap "Ok".