Earn free UC with just your mobile phone, uninterrupted daily gems You can earn UC from your phone through the Earn UC & Gems app, and also get gems and game chips by watching videos, taking tests, and collecting points. All you have to do is watch the videos in order to collect points to exchange them for UC or Gems of your games easily and quickly. Not only that, you can also take easy and short tests to collect as many points as possible to convert it to games gems. The Earn UC & Gems appl