- android.permission.INTERNET
- android.permission.WRITE_EXTERNAL_STORAGE
- com.android.vending.BILLING
- android.permission.ACCESS_NETWORK_STATE
- android.permission.GET_ACCOUNTS
- android.permission.USE_CREDENTIALS
- android.permission.READ_EXTERNAL_STORAGE
Feb 8, 2020
- fixes Google and Facebook login error
- fixes login/logout bug
- fixes challenge mode bug
- fixes "skill builder" in-exercise hints
- other misc. bug fixes