The description of Steam
With the free Steam app for Android, you can participate in the Steam community wherever you go. Chat with your Steam friends, browse community groups and user profiles, read the latest gaming news and stay up to date on unbeatable Steam sales.
How to play Steam on PC
Download and Install Nox App Player Android Emulator. Click here to download: Download（FREE）
Run Nox App Player Android Emulator and login Google Play Store
Open Google Play Store and search Steam Download
Install Steam and start it
Well done! Now you can play Steam on PC, just like Steam for PC version.