Click the buttons below to keep yourself busy!
App Suggestions:
Check for these Apps on your mobile device. Some are free, some have free features, some have trials.
*These are not links*
Acapella App - record yourself playing muitilple parts and play them together.

Vanido App - Voice and Ear Training
Tonel Energy 'TE' Tuner App - Tuner, metronome, recorder
Bandlab App - Also a website where you can record yourself and make music. Similar to garageband.

Ukulele Toolkit App - Everything Ukulele!

Tabs HD - Great app for guitar and ukulele music in Tab and notation.