Capture image from Camera or select from Gallery. Edit that image by drawing different shapes on that image.
Anvil is a tiny library to simplify android UI development. The name stands for "android virtual layout". Virtual layout is an Android analogy of the virtual DOM in the web.
Salut is a wrapper around the WiFi Direct service discovery API in Android. Before using Salut, you should at least skim over some of the documentation and recommended reading below.