DeadVision app is a part of The House of Dugin transmedia project. Combined with special pop-up book after solving a simple puzzle and entering the code DeadVision app allows you to run the main video.
The code can be found in other applications of the House of Dugin project:
Auropa GraveRunner (score more than 1,000 points)
ASMR Maggots Triggers (play with cadaver maggots for more than 7 minutes)