FlipaClip - Cartoon Animation is a free app that allows you to try your hand at animation from the comfort of your own tablet. Sketch out a frame-by-frame animation across a timeline, making use of multiple layers, onionskinning, pressure sensitivity and other features designed to help you bring your drawings to life. Once your animation is finished, you can share it with your friends. FlipaClip - Cartoon Animation can be used in conjunction with other pieces of software for more sophisticated results.