PDF - Split N Merge is a free Android app developed by Apps by Umair that can easily split or merge your PDF files. This utility & tools app is designed to provide a simple and straightforward way to manage your PDF files. With its intuitive user interface, it allows you to quickly and easily split or merge PDF files and preview processed files within the app.

The app's main features include the ability to split PDF files by selecting the start and end pages, selecting the number of pages to be included per file, and sending the processed PDF file as an email attachment. Additionally, users can merge multiple PDF files by adding them to the app and easily arranging them in the desired order. The app also includes a history feature that allows users to view their last 10 processed files. Overall, PDF - Split N Merge is a useful app for anyone who needs to manage their PDF files on their Android device.