am e958e6c0: am 78e99264: am 20e6a369: am 54504966: Merge "some fixes to TV App quality and TV games doc. add section to TV Games doc about controller instructions w/ template download. clarify use of <meta-data> tag and standardize headings per Training conventions."

* commit 'e958e6c01bf66ed5944dabbb12a75a9c2767d63c':
  some fixes to TV App quality and TV games doc. add section to TV Games doc about controller instructions w/ template download. clarify use of <meta-data> tag and standardize headings per Training conventions.