AutoJointPic(Free) is an Android application developed by Up2U that allows users to easily generate long screenshots. The program is available for free and falls under the category of Utilities & Tools.

The app is designed to be user-friendly and efficient, allowing users to generate long pictures by simply selecting the screenshots they want to join and clicking on the "Joint!" button. The program automatically detects the status bar and input box, which are shown only at the header and footer. It also detects the common parts of the pictures automatically.

Users can preview and edit the result after joining the pictures. However, when jointing chat logs, the background must be set to a single color.

Overall, AutoJointPic(Free) is a convenient solution for those who frequently need to take long screenshots for chat logs, Twitter, blogs, or other purposes. It is easy to use and provides accurate results.