The functionality of the pocket viewers extended beyond the digital diary segment and targeted consumers who needed more compute power in their personal organizers.
The lower most part of the LCD had quick short cuts to the standard applications permanently indicated.
The short-cuts include off, back-light, Scheduler, Contacts, Quick Memo, Sync Start, Escape, Menubar.
The standard applications available on the pocket viewer include Expense, PVsheet, Quickmemo, Contacts, Scheduler, ToDo list, Reminder/Calendar and Alarm.
A third party GPL addin PVMerlin may have attempted to provide hand writing recognition.
Using the SDK users could create their own applications called add-ins, which could be downloaded to the pocket viewer using the synchronization software.
In time, a small user base who created and made their add-in applications available on-line for free or for profit emerged.
Travel phrase guide, which could translate preset text between English, Spanish, French, German, Italian, Japanese.