Recently, I was taking a look at my games for finding bugs on itch.io at https://vsgame.itch.io/ and I found two of my games on a Russian piracy website (https://gamexworld.com/rusifikator/64491-rusifikator-dlya-o-cursor-my-cursor-2.html and https://gamexworld.com/rusifikator/59080-rusifikator-dlya-impossible-pong-vahin-sharma.html). The installers of my games have a declaration or license page which declares that all rights are reserved. These are my games https://vsgame.itch.io/o-cursor-my-cursor-2 https://vsgame.itch.io/impossible-pong/

I am not sure how to proceed with it and would like some suggestions about it. 

Don't lose your time, trying to explain something to Russians. Don't expect anything. Some recent events confirm my advice :/

More seriously, I read an article a few years ago about books and copyrights in Russia. Many authors from France, USA and many other countries are just surprised to know that their books are sold and shared in Russia without any respect for their authors. They don't receive any money for their works and no one can do anything against these violations of commercial rules. For all firms and foreign creators, Russia is just a basket of crabs. You have no visibility about your work. That's all ++

Если я оскорбил кого-то, извините меня. Просто я хотел рассказать нашему другу реальность таких вещей. Бесполезно ему обжаловать.

Good luck getting any pirated build taken down, but one thing I've tried to do is make sure the app or game has links to the proper download site built in, so no one can claim they didn't know.

I got so irritated at my updates on Google Play showing up immediately on Aptoide (the only thing more irritating was people telling me I should be happy about it) that I put the following text at the top of my app description, and pirates generally don't bother removing it when they copy the whole app page (Aptoide has a "feature" for copying google play pages, but omitting the original developer identification), so I do get some mild amusement at seeing it when I google for my game.

*** The paid version of this app is infrequently updated, due to the users who immediately distribute it to pirate sites like Aptoide every time I release an update. If you don't want to pay for it, please download the free HyperBowl app on Google Play. ***