The iGap App also has this possibility for you as a user to change your language of this application and messages. It supports the English and Persian Languages currently.
The most important goal to build Cache is to improve using Internet and increasing the speed of loading websites. So, it has its own pros and cons all together. If you do not clear your device cache occasionally, the occupied space may cause your device performs slowly, stops temporarily or even hangs. These are bad effects we may get unless clear cache every now and then.