The camera app that comes with the Pine can be difficult to use, the icons are small and unwieldy.
The stock camera app from Android 4.4.2 is much better, rear and front camera work fine, and you swipe up once/twice to get to the settings:
Installing it couldn’t be easier!
1. Download F-Droid app market to your Pine, and install. https://f-droid.org/
2. Search for “Stock Camera” on F-Droid. Click on the + to install it.
3. Done! Now you have the KitKat Camera.