This light-weight library provides images with letter/text like the Gmail app. It extends the Drawable class thus can be used with existing/custom/network ImageView classes. Also included is a fluent interface for creating drawables and a customizable ColorGenerator.
Xamarin.Android Binding for koral--'s AndroidGifDrawable (https://github.com/koral--/android-gif-drawable). A Views and Drawable for displaying animated GIFs on Android. Bundled GIFLib via JNI is used to render frames. This way should be more efficient than WebView or Movie classes.