As the name implies, SimpleDrawing is a simple drawing app for iOS with support for the following:
• Tools such as pen, brush, bucket, line, text, rectangle, ellipse, and eraser
• Individual tool settings such as primary and secondary color, line width, transparency, and font size
• Importing photos from the photo album
• Multi-level undo and redo operations
• Layers with individual levels of transparency
• Sharing via mail, Twitter, camera roll and more
SimpleDrawing features a unique interface for both iPhone and iPad, making the best use of space on either device.