Where can I download YI Lite Action Camera App?

a. For Android phones, search “YI Lite Action Camera” from Google Play store, or download from the following URL with mobile browser URL:https://play.google.com/store/apps/details?id=com.xiaomi.xy.sportscamera&hl=en

b. For iPhones, search “YI Lite Action Camera” from App Store, or download from the following URL with mobile browser URL:https://itunes.apple.com/us/app/xiaoyi-action-camera-yicam/id963065779?mt=8