You can almost utilize this program as you see. For more detailed usage, you can consult its help inside it . One tap for first letters, double-tap for second letters. One tap or Long press [alt] to switch the case of one letter or keyboard. Every mode can be reached within 1~2 press. [a] button switches between letter modes and number mode. [1& ] button takes you symbol mode and special mode.
Via [lang] in special mode, you can set 1st and 2nd language among English and your own. Via key editor in menu, you can configure your own language, pendent, numeral, and symbol. Input 99 for [alt]. Via pendent editor, you can configure to input additional letters not included in 16 keys. Through [game start/stop]in menu, you can exercise typing.