I notice you're asking about — this appears to refer to a specific version of the QSP (Quest Soft Player) software, which is used to play interactive fiction games (often from the Russian QSP community).
Did you find this guide helpful? Share it with fellow interactive fiction fans. If you are the original Sonnix or know their current work, please reach out—your player remains a pillar of the QSP community. 1.9 Qsp Player By Sonnix