Sheet is a free app for Android that provides users with high-resolution wallpapers up to 16K. The app offers a continuously growing collection of backgrounds that can be accessed through hashtags on the side menu. Users can set wallpapers on both the home and lock screens, as well as in resize mode. They can also share backgrounds with friends through social media and email. The app allows users to upload images from their camera, archive, gallery, or Google Photos without compression of the format. The app is optimized for all tablets and has four modes. New backgrounds are added every week, and users can search for backgrounds using hashtags. Sheet uses 128-bit encryption to ensure maximum user data protection. The app requires Android 4.4 or higher and a minimum 1.6 GHz processor.