Sketcher 茶 (Cha) is a procedural drawing program. It contains 7 brushes, undo/redo capability. You can share images by mail, Dropbox, Picasa, etc. Interface optimized for tablets. Minimal system requirements is Android 3.0. See example pictures on the Google Play https://play.google.com/store/apps/details?id=org.sketchertab The idea and implementation created by Mr.doob in Harmony. http://mrdoob.com/projects/harmony/ First java implementation was made by Wargoth. Denis Kovalkov dkovalkov@gmail.com