XnSketch Proplay.google.com.XnSketchPro
The paid, ad-free version of the free XnSketch app.
Different effects easy to use with full control. Save your creations and share them with your friends through Facebook, Twitter, and Email.

Features:

• Different effects (black strokes, white strokes, pastel, pencil sketch, color sketch, cartoon, stamp, halftone, hatching, ...)
• Edge strength, and opacity adjustement
• Contrast, brightness, saturation adjustement
• Save or share the result with your friends via Twitter, Facebook, Email, ...
• No registration is required, and there are no watermarks, no limitations.

Whats in this version: (Updated : 10 May 2016)

• ? Minor bugs fixed

Required Android O/S : 2.2+