PTHDict is the first free Putonghua software in Hong Kong running on mobile phones, which supports Pocket PC, Pocket PC Phone and Smartphone.

It provides comprehensive Putonghua pinyin and Cantonese-Putonghua look up functions.

Thousands of records are stored in PTHDict which provide the most complete support to all Putonghua learners any time and anywhere.

For Smartphone users, please download this software here (271 KB).