LinePlus is a Sketch Book App for iPad and iPhone. Touch and Draw or Sketch with your Fingers and define fine points. Drawing/Sketching Tools include three colors Black/Dark Grey /Light Grey. Round & Square Line caps. Point size from 0.5 - 30. Transparency Tool. Smoothen lines. Erase according to point size. And save your created images to the PhotoLibrary. Sketch anytime you want!