Pencil Sketch - Pencil Camera is a free and easy-to-use Android app developed by Techno_World that allows you to convert any photo into a pencil drawn sketch within seconds. Simply select an image from your gallery or take a new one with your camera, and the app will automatically transform it into a stunning pencil sketch. You can adjust the pencil tip intensity by selecting low, medium, or high.

This app works with high speed and efficiency due to its advanced algorithm for pencil sketch conversion, which is one of the best in the market. You can save your pencil sketch to your phone's external memory with a single click or share it instantly with your friends through the share button. Although the app is completely free, it does contain ads.

Overall, Pencil Sketch - Pencil Camera is a great app for anyone who loves photography and wants to add a unique touch to their photos. If you encounter any bugs, the developer encourages you to report them through email and would greatly appreciate a good review of the app.