By default, Google Play Store app auto play videos if you are on the Wi-Fi connection.
You can turn off auto play on Play Store if you dislike it.
Disable Auto Play on Play Store App
Launch Google Play Store app.
Hit the three vertical lines at the top left.
Tap Auto-play videos.
In the pop-up, you can see three options:
- Auto-play videos at any time
- Auto-play videos over Wi-Fi only
- Don’t auto-play videos
The first one auto play videos, regardless of your internet connection. The second one auto play videos only on the Wi-Fi connection. This one is the default option. The third one stops auto play.
Pick the third one (Don’t auto-play videos option) and tap Done.