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Изначально игра была платной, но так как поддержка данного проекта была прекращена и выпилить из симулятора Питомца оплату нет времени - остаётся только демо версия. В ознакомительных целях её может установить каждый. 

Thanks a lot for the review. A very interesting video turned out. 👍

Hello, dear friend. Unfortunately, support for the game has been temporarily discontinued. At the moment, you will not be able to activate the game. 
My apologies.

You're welcome.
It's nice that nowadays many people pay homage to the old days. 
Yes, of course, there were more than enough such games. Here, a good article on these games: handheld game electronics

Greetings, O Great Testicular fan.
You can make the buttons settings manually by changing the "button.ini" file, in which you need to specify the keys that you need.
The update was made especially for you.
Have a nice game. 👍

Hello, my friend. Unfortunately, this functionality is not provided in the game.