Install this application to enable premium features of "HD SMTH".

- Backup/download your hidden pictures with Google Drive.
- Browse unlimited photos with desktop browser.
- All the themes.
- No advertisement
- PIN lock
- Manage hidden folders.
More premium features are coming.


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Tips: relaunch "HD SMTH" after you installed this license application. Rebooting your phone if there's no 'checking license' dialog shown when relaunch "HD SMTH".