My Data Manager - Description Take control of your mobile data and save money on your mobile phone bill!
xournal - Lightweight notetaking and sketching app.
Data Usage - Data Usage Monitor | Your guard against data plan overages.
GoodNotes - GoodNotes lets you take notes and annotate PDF documents.
Call Meter 3G - Call Meter 3G is an app that acts as a monitoring tool for all your calls, messages, and internet data.
Stylus Labs Write - Write is a word processor for handwriting, designed primarily for tablets with an active stylus.