The Ukulele tabs app has more tabs than all of the ukulele tabs sites. Offline it has a huge collection of chords for Soprano, Baritone, D-tuned and Slack-key ukuleles. Online you can select to list the tabs by search, style and difficulty. It has tops of most accessed and bookmarked tabs. It has strumming patterns, random choosing, saved tabs, language selection, handedness settings, adjustable tab font size and autoscroller. This app is big and uses much battery as it keeps your screen open a long time. The app is available in Google Play for Android 4.0.3 and up.