ReadyWeb have just released a new Timecode Calculator for Android phones and devices. It is available for 1.99 on the android market place market:
If you have a scanner on your phone you can access is via the following:

The ReadyWeb Timecode Calculator is Android application used to perform mathematical calculations on timecode values.

For full information and a user guide take a look at our web site:
Timecode Calculator | ReadyWeb Ltd

It allows you to add, subtract, multiply and divide timecode values. It also allows for frame rate conversions. Timecodes can be viewed either in traditional hours,minutes,seconds and frames or as total frames or as a floating point value of seconds.

Supported frame rates are:
23.98 fps NDF
24 fps
PAS 25 fps
NTSC 29.97 fps DF
NTSC 29.97 fps NDF
30 fps
50 fps
59.94 fps DF
59.94 fps NDF
60 fps
100ths of a second.

There are 10 memory location allowing you to store and recall values.

If you have any question about this then please ask.

Thank you.