OK, you can change the score submission redirection link in
com_memorizr/controllers/game.php on line 339
Code:
$this->setRedirect( JRoute::_('index.php?option=com_memorizr&view=leaderboard&id='.$game_id , false ) );
For the module link, it is a setting in the module backend you can have it link to the game or the leaderboard.
For the ES stream missing cover, I've updated the ES plugin, to be redownloaded and reinstalled manually.