Simple viewer is not full browser! It`s only for viewing one website or gallery in fullscreen mode. Simple add you favorite website or gallery url to app and it opens always your page in fullscreen. HTML5 audio is supported. NB! html5 videos and flash videos are NOT supported! Location permission needed if you want to view webpage with location request!
PRO version https://play.google.com/store/apps/details?id=est.kussu.viewer.pro
With PRO you can update current url on fly. With PRO you can View page source ( Chrome browser required) With PRO you can View html5 videos and youtube videos!