No 4

--Rule--

4 = ☠
Four means death
Four is forbidden

Fill in some empty white cells so that all filled cells form an only horizontal and vertical contiguous area and no horizontal or vertical stripe of more than three blue cells is created.

--Pro Version--

Pro version (coming soon) is ad-free and has more levels than Free version.

--Permission explanation--
-Google Play Games & License
android.permission.ACCESS_NETWORK_STATE
android.permission.INTERNET
android.permission.READ_PHONE_STATE
com.android.vending.CHECK_LICENSE
-BT Controller
android.permission.BLUETOOTH
-Install on SD-card & savegame
android.permission.READ_EXTERNAL_STORAGE
android.permission.WRITE_EXTERNAL_STORAGE
-Other cool stuff
android.permission.VIBRATE (coming soon)