The Twitter approval process includes testing the experience across various platforms, as well as re-validating it periodically.
More information and how this can be done can be found here.
The player id (tPlayerId) set in the module is for the player used in th Tweet. Using this player, the video can be embedded in the Tweet and played from there.
For information on how to setup the player for viewing Twitter media in MediaSpace, please see Setting up Twitter share for MediaSpace for Admins.
Enable the Twitter module.
What is the player ID (uiConf ID) of the player that plays videos on Twitter? This should be a V2 play.
@username of website, to be used as value for twitter:site meta tag
Use the best quality flavor that can be played in Facebook.