ПТЭ ИДП ИСИ метрополитена is an Android application developed by DSc. It is a collection of technical exploitation rules, movement, and signaling instructions for the metro system in one app. The app offers a simple and user-friendly interface, making it easy to use in any situation. The app is completely free and fully functional, with no annoying ads. However, if you want to support the development or access more features, there is a PRO version available on the Google Play Store.

The app is perfect for anyone who needs quick access to the technical exploitation rules, movement, and signaling instructions for the metro system. The app is fully autonomous, so you don't need an internet connection to use it. Additionally, if you want to stay up-to-date with the latest technology news, you can follow DSc's Telegram channel or VK page.