Want to play Portal on Android? It’s really easy to play portal on Android thanks to the work of developer nillerusr. The developer has ported source engine to non-nvidia devices so that we can play portal and half life 2 on any Android device. Furthermore, the performance is actually really good. Here’s how to install portal on Android.
Source Engine APK
First, download the and install the source engine apk from here.
Move Files to Srceng folder
On the root of your internal storage, create a folder called srceng. Move the Obb files to that folder.
Play Portal on Android
Launch the Source Engine apk and select portal as the game and launch. It should open up to portal and you’ll be able to play portal on Android.