Yes, but suchflex is only about those that you can either mine with ASICS (PoW) or CPUs and GPUs (in this case Proof of Research with Gridcoin).
Pure PoS cryptocurrencies cannot be mined by suchflex.
Pure PoS cryptocurrencies cannot be mined by suchflex.
Then I was wrong, does suchflex also mine ETH then?
It's pretty easy to set up ETH mining yourself and pocket all the money, but that's probably not the audience this software is intended for (Windows users with access to "free" electricity).