What is Reddit's opinion of [モバ7]SLOT魔法少女まどか☆マギカ?

From 3.5 billion Reddit comments

It's kind of like traditional slot machines mixed of the Japanese pachinko. Those video footage take over the top portion of the "slot machine" in your image. There's a element of progression, you must score certain combos to trigger the next event.

The developer actually released a mobile version of Madoka SLOT original, which you can check out here. It might be region walled for some users.

Try the play store version https://play.google.com/store/apps/details?id=jp.mbga.a12023323.lite&hl=en%20100,000%20~%20500,000