Here's how you can download the SuperSU app free for Android devices. SuperSU lets you manage superuser access rights for all apps that require root.
1. Go to the Google Play page for the free app SuperSU.
2. Tap the Install button.
Here's a description of SuperSU:
- Superuser access prompt
- Superuser access logging
- Superuser access notifications
- Per-app notification configuration
- Temporary unroot
- Deep process detection (no more unknowns)
- Works in recovery (no more segfaulting)
- Works when Android isn't properly booted
- Works with non-standard shell locations
- Always runs in ghost mode
- Wake on prompt
- Convert to /system app
- Complete unroot
- Backup script to survive CyanogenMod nightlies
- Icon selectable from 5 options + invisible
- Theme selectable from 4 options"