Among others he re-posted a link to this well done video:
https://twitter.com/usminority/status/1149536949662674944
Then he retweeted dozens of positive replies by those replying to Brandons tweet/video.
Many times positive replies to Trump tweets are shadowbanned by Twitter so Trump is apparently retweeting positive replies to get around what twitter normally does (show only negative replies).
Here is the link to the full video:
https://www.youtube.com/watch?v=ssNEJD3xC8A&feature=youtu.be
The Hard Truth, Episode 1: Media Bias #WalkAway Education Series