There is not any 'Application Permissions' required at all for this pure app to run.
It is a demo of Android apps without 'Application Permissions'.
The app screenshots -
You can download the package installer ( .apk file, 723 KB, i.e. 0.7 MB ) directly from
Google Drive -
Amazon Drive -
The handy utility app is also available on Amazon Appstore -
* The package installer, .apk file, as well as screenshots for this smartphone application are full-free for downloading and distributing. 😄