Chaozhuyin is the famous Chinese phonetic symbol keyboard extension (Bopomofo IME). It is very easy to use with zero learning curve. Demo video: https://youtu.be/pyY05iiNXoU Features: ● To input a Chinese phrase, you only need to input the first phonetic symbol of each word, and you can add any remain symbols arbitrarily to narrow down the candidates you may want. ● Proximity correction: it'll smartly guess what word or phrase you want to input from neighbor keys. ● Provide several kinds of skins and colors of the keyboard. Keyboard height and font size can be adjusted freely. ● Keyboard fan-shaped selector. ● Candidate selection dropdown. It can be scrolled page-by-page by your finger. ● You can remove your user phrase by long pressing it. ● E-tan keyboard layout. ● Smartly showing English candidates you may want when typing letters. ● Left/right arrow keys make moving cursor easier. ● With great functionality of word or phrase guessing. ● Lexicon contains all the cities, streets, and roads name all around Taiwan. ● Able to backup/restore user dictionary to/from iCloud Drive. ● Able to import Chinese names in your contacts. ● Able to output Simplified Chinese.