2. Cropiwa📐 Configurable Custom Crop widget for Android
7. Libgdx Path EditorlibGDX Path Editor lets you easily create complex pathes your game characters can move along.
8. AndroidrecordingAndroid Recording library offers convenient tools for audio/video recording and playback
13. SketchViewSketchView library provides a custom implementation of a canvas on which user can draw via gestures
14. CenteredContentButtonCentered Content Button is Android library which contains button-like and toggle button-like components with centered content - icon and/or text.