У вашего броузера проблема в совместимости с HTML5
Very easy & safe method of root for lenovo A6000 plus.
simply download kingroot
(http://www.mediafire.com/download/1ktk3yusk258tmk/kingroot_4.0.0.apk)
this is third party apps. normally install this app - then select root option - after few minutes your phone is rooted.
then install Rootchecker Basic from play store and confirmed your phone root or not..