如何令WM5 smartphone英文機可以支援中文?

試過monster chinese: 不行, 話
Installation of Monster Chinese.cab was unsuccessful, The installation file is not intended for this device(得WM5 pocket pc版, 沒有smartphone版):(
cestar裝到, 但仍然出現亂碼:(
還有沒有其他方法?
或有沒有方法去改.cab檔案以便可以在smartphone上安裝?