>1) I intend to create 2 different (languages) version for every of my future application. One in English and the other one in Chinese. (A mix of the 2 languages will be even better)

Hi Lim Teck Soon,

Look at Steve Black's INTL toolkit for your bilingual needs. www.stevenblack.com .

You'll find a discussion of commercial frameworks on the Fox Wiki. See http://fox.wikis.com/wc.dll?Wiki~FrameworkFeatureChart and follow the linked topics.