Prerequisites:

- Rooted device
- TWRP recovery

Features:

- Simple UI to generate openrecovery scripts (Link: https://twrp.me/faq/openrecoveryscript.html)
- Drag cards to reorder swipe to remove
- Smart flash - app will automatically pick newest file from selected directory by partial name
- Flexible schedule to perform automated backups
- QS tile to run a script
- New Material Components look and feel
- Light dark and black themes included alongside with hardcoded blue or system accent colors
- Fingerprint protection for app start and reboot to recovery

Limitations:

- Can not flash .img files (OpenRecoveryScript limitation)
- Requires manual password input on encrypted devices (OpenRecoveryScript limitation)
- Does not support devices with A/B patitions (OpenRecoveryScript limitation)
- Does not use any password protection alongside fingerprint (if you're out of attempts to use fp scanner wait a little or wipe app data)

This app is open sourced. Code can be found here: https://gitlab.com/victorlapin/flasher
Issues can be filed here: https://gitlab.com/victorlapin/flasher/issues