In the game overview, it would be nice to see more detailed info on the time control mechanism being used for each game.
For Canadian, it would be useful if it showed the number of moves remaining for a given period, e.g. “24h/2”.
For byo-yomi, seeing the number and length of periods remaining would be good.
For Fischer… you get the idea.
More info in overview mode = 
Note: I use the list mode rather than board thumbnails.