XnSketch Pro from the developer XnView. Almost instantly transform your photos and friends photo's on your Android device into a cartoon, drawing or sketch using the photo effects app. XnSketch Pro with simple controls and a specific set of tools, as is the ability to send the obtained result to friends. Successful experiments to you!

Features:

• Different effects (black strokes, white strokes, pastel, pencil sketch, color sketch, cartoon, stamp, halftone, hatching, etc.)
• Contrast, brightness, saturation
• Ability to save and send the obtained result to your friends via Twitter, Facebook, email and beyond.
• no Registration required, no watermarks, no restrictions.
• etc.