System Requirements - Keyman for Android Help
Minimum System Requirements
Minimum Android Version
Keyman for Android will run on Android phones and tablets that have a minimum version of Android 5.0 (Lollipop).
Minimum Chrome Version
Keyman for Android requires a minimum version 53.0 of Google Chrome. If you have an older device, you may need to upgrade Chrome before you can use Keyman, e.g. through the Play Store.
Device Permissions
Network and external storage permissions are required to download and install keyboards/dictionaries from the Keyman servers.