Photo Ink is a free photo editing app available on Android designed by Mahesh Manseta. This basic paint app allows users to write, draw and sign on photos with ease. It is a great tool for highlighting important points or thoughts on photos, and even creating art.

With Photo Ink, you can choose different pen colors and adjust the stroke for the pen. There is also an option to set the background color for your art. The app has three different pen styles: normal, blurred, and embossed. There is also an eraser for deleting the wrong pen work or marking.

The app also has a multi-touch zoom option and a crop and rotate option for premium users. You can easily save your art and share it with your friends.

Photo Ink is perfect for people working on a team or creating new projects as it allows them to highlight important points and co-relate things. It's also great for taking autographs from your favorite celebrities or taking signatures as proof.

Overall, Photo Ink is a must-have photo editing tool with painting features to draw on your photo. It's easy to use and has a beautiful design for better user experience.