ResizePixel is a free online image editor where simplicity is essential feature. It is designed to crop, resize, flip, rotate and convert images to various formats. The service is mobile-friendly, fast and easy to use.
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
FlorisBoard - An open-source keyboard for Android.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.