Image Warp - Grid Modifier is a free, small photo editing tool for Android that allows you to modify your pictures with manually adjustable grids. This app is perfect for skewing, scaling, distorting, rotating, and changing the perspective of individual parts or whole images. The app has a simple and clean UI, and it supports both phone and tablet devices in both portrait and landscape mode.

One of the most notable features of Image Warp - Grid Modifier is its manually adjustable grid. Users can set grid points manually to fit the needs of their project. The app also reads EXIF image rotation, which makes it easy to edit pictures taken from different devices. Additionally, the app automatically crops the largest inscribed rectangle and saves full (PNG) and cropped (JPG) up to 16MP (4096x4096).

Image Warp - Grid Modifier also has a few tips and tricks to make editing pictures a breeze. Users can double-tap to reset picture zoom and long-press the undo button to reset warp or grid.

Overall, Image Warp - Grid Modifier is a great app for anyone looking to modify their pictures with adjustable grids. It's easy to use, has a lot of great features, and is perfect for both beginners and experienced users.