Haven't really used Kirkiroid2 either, mostly because it's fairly limited. Here's a list of compatible games:
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Exagear is the only one I've personally used. It's a full on Windows emulator. Which means it's both really powerful, but also really buggy and frustrating to use. If any of those games are fairly old it might work, but it's a bit of a toss up. The Discord channel has a list of some games that work and don't, if you can brave navigating the hellscape that is the Discord user interface.