Effects Pro — Open Source Gallery App

Practical and easy-to-use tool for applying filters to images. Several filters can be applied and undone (even one by one). It tries to maintain maximum image quality. Supported filters are: Boost-Up Colors, Brightness, Color Depth, Color Filter, Contrast, Emboss, Flip and Rotation, Gamma, Gaussian Blur, Grayscale, Hue, Invert, Noise, Saturation, Sepia, Sharpen, Sketch, Tint, Vignette