[Android] "Sketch Me Pro", "Black Cam Pro" $0 @ Google Play (Was $2.29)

Free again for those who missed out last time.

Turn your photos into drawing, cartoons or sketch images in one click to create instant works of art.
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 adjustment
• Contrast, brightness, saturation adjustment
• Save or share the result with your friends via Twitter, Facebook, Email.
• No registration is required, and there are no watermarks and no limitations.

Black Cam Pro

BlackCam helps you to take stunning black and white photographs with live preview

• Very simple to use
• Different colored lens filters
• Different professional conversion set filters
• Filters are shown live on camera screen
• Live contrast, brightness & exposure slider
• Add simulated film grain
• Add black vignetting
• Custom EXIF Artist Credit entry
• Export your photos to Instagram, Twitter, Facebook and email
• Outputs images in full resolution
• Add black and white filters to your existing photos