Indie Gala has just launched it's third Android game bundle. There are 4 pay-what-you-want games, and 7 other beat-the-average games in total. It works in similar fashion to the more popular Humble Bundle.
Pay-what-you-want: Chimpact, Trainz Simulator, 9th Dawn and one unknown
Beat-the-average: Bag It!, Great Big War Game, Serious Sam: Kamikaze Attack, Slender Man! Chapter 1: Alone, Trainz Driver and two unknown
PS: Unknown games unlock in the second week
Get the bundle from here: http://www.indiegala.com/