Which permissions are required for this app?
Here are the permissions CamScanner needs:

1. camera: CS needs the camera permission to take pictures;

2. album/gallery: CS need this permission so you can share or import photos from the device album/gallery into CS;

3. Contacts: When using the "Invite" function to share documents to other people, CS enables you to select Contacts from the phone's address book, eliminating the inconvenience of manually entering the phone or mailbox. CS does not read the address book when this feature is not used.