It seems like if what you're showing is what you understand they find appealing and fun, then surely that's what should be in the game. You give them that.
But instead, you give them something else that is unrelated to what they've seen on the ad? A gem matching candy crush clone they've seen a thousand times?
How is that model working? How is that holding up as a marketing technique???
This isn't even the worst offender: https://www.youtube.com/watch?v=w3_E9iW_wTk
There's actually a game made of these games called, hold your breath: "Yeah! You Want "Those Games," Right? So Here You Go! Now, Let's See You Clear Them!"