Although it is based on android system but xiaomi has custmized the android with miui which completely changes the way how the interface looks as well as the various settings.
The app contains:
tips and tricks
how to download themes
how to minimize your battery usage
how to increase performance of your mi3
Please note: This app is a fan app and we are not affiliated with xiaomi in any way, The app has been designed as an info app to help the mi3 users get the best out of their phone.