Now you must define, which employee can use the app
Open Attendance -> Master Data -> Terminal function
Open existing Group or add new group and click on "Authorization"
Delete all not needed apps 
Click on Apps Choose - search for your App and insert
Now you can move it to the correct position

Note:
- If you delete an App, you must delete this from Group manually
Open Personnel -> the employee details and define the correct Authorization Group for the employee
