Launch USB + Stand by Mode

I’m developing App on TVs as contributor under Samsung Partner .

  1. I can browse the filesystem from USB Storage through window.tizen.filesystem but we must spend more effort for display/launch video/image files so far. I wonder can we the other way as lauch TV native browser file and embedded it into our app?
  2. Also, we are stucking on resume from stand by mode we tried window.b2bapis.b2bpower.setPowerOn but some time works and sometime is not work. We are also try with H.Browser solution, unfortinately the object is not defined (our app running under H.Solution) can you help me for support on them?