This is appointment form. Choose date from displayed calendar, then tap OK.

Choose hour and minute of the appointment, then tap OK.

Select work location and search for patient by typing in some characters of their name or ID. Select from suggestion list that is displayed.

Saved appointments are displayed on Appointments part of the appointments screen. Tap on a record from it and this appointment detail screen is displayed. Tap on menu button at top-right of the screen for more options. Select Edit to update or Archive to hide it from future use. Archive menu turns into Unarchive for archived data. Read more here about archiving data.