App user knowledge about android system that is not documented, so not all settings will work on your phone. Speech recognition option available so easily search hidden setting. Simple user interface. All hidden setting show in different categories wise so anyone can find easily.Categories describe below: - Wireless and Networks related Settings - Personal settings like sound,vibrate,etc.. - System and device setting - Others setting App Available in multiple language so user can also check their hidden setting in their friendly language.. Supported Language: - ENGLISH - HINDI - URDU - FRENCH - THAI Custom keyboard also there language wise so you can easily type in above languages. Simple and useful app, not find any setting in you device just install this app and get all settings at one place.