Google Android 4.0 7 inch 1080P Video Capacitive Screen 16GB Tablet PC "downloading videos china" Questions

need manual for google 4.0 by zenithink A8 tablet purchased from china and no manual included most any manuels,  remote, phone, camera can be downloaded from internet. Either from company site or

...china that i just but.And i was playing with it. and then i just erase the camera application..so now i cant open the camera..how can i recover the camera application.? Dear Sir, Welcome to Fixya ...