A DIY must have Useful as you can calibrate levels, ideal for my phone's no so level case. Nice to colour the app the way I want.
• There is a bug in the operating system only found in 7.1.1 Nougat which should be fixed in 7.1.2. Setting a background colour hides the app's graphics. This affects all apps on Android which don't use the default background colour. We have changed our app to correct this so it will now work correctly for 7.1.1 users.