Sign by touching the screen. Press and hold for context menu ('View', 'Share', 'Rename', 'Delete').
Depends on digital signature capture library. You will be prompted for it's installation later on.
For unlimited signature capturing check the library instructions.
For other commercial purposes (like signing PDF documents etc.) contact support e-mail.
Application has been released under Apache License 2.0 and it's source code is available here:
Report all issues here: