SlideUp is a small library that allows you to add sweet slide effect to any view.
Shape Ripple is a library that emulates a ripple like animations with cool tweaks on the go. It runs on API level 11 and upwards.
As addition you can even create your own shape renderer through the canvas to create a custom shape ripple.
An easy file / folder picker dialog fragment which is easily to implement. Nothing special is required, you just need to add few lines of code!