With the ClockWise Android app you can bill hours, add comments to hours and submit hours. The app also has a build in timer and distance tracker. Usefull for when you are travelling!
A ClockWise account is required to use the app. Enter the following information in the settings menu
Account URL: The web address used for your ClockWise account (For example www.clockwise.info/youraccount)
Username Your ClockWise username
Password: Your ClockWise password