expired [Android] Free - Limitless Paint (Was $4.39) @ Google Play
Great app for sketching. Rated 4.5 with no ads or IAP.
Free for one day so grab it while you can!
For real, no zoom limits, no move limits fast sketching.
This all will help you visualize your ideas.
One finger to draw, two fingers to pan/zoom.
-Draw on a limitless board
-Erase, undo, redo.
This app does not collect any data about you, so it only requires for WRITE_EXTERNAL_STORAGE permission, for exporting sketch as image.