A few little problems, Holger,
Annoying Solitaire Popups: I really don't need another popup asking me if I want to be notified of the daily challenge when I just clicked "No Thanks" 2 minutes ago. Once is enough, right? Also, these annoying popups should go away if/when I ignore them repeatedly, right? They don't.
Solitaire Draw Cards Dealt Out In Perfect 1, 2, 3 Order: See the screen shot - When I asked for the next draw in Spider (1 Suit), the cards came out in perfect order: ace, 2, 3, 4, 5, 6, 7, etc. So, I asked again and the pattern continued. This has happened in the past.
Dead Button In Golf Solitaire: When I finish or give up on a game of Golf Solitaire, the New Game button at the bottom does nothing. I must go up top to click on All Games, then scroll down to click on Golf. No biggie, but an annoyance none the less.
While I do not like your efforts to get information from me (i.e., signing up for the daily challenge) and to get me to download something (_Who knows what all is included in the download?), all in all, I think most of your changes have improved the functionality of the games.