- android.permission.INTERNET
- android.permission.WRITE_EXTERNAL_STORAGE
- android.permission.ACCESS_NETWORK_STATE
- com.android.vending.BILLING
- android.permission.READ_EXTERNAL_STORAGE
12/11/2018
Added Chapters 9 and 10 (200 new levels).
Minor revisions to the UI
Fixed ad related bugs.
Removed unneeded permissions.