android – Screenshots for my app are badly compressed when viewed in the Play Store app-ThrowExceptions

Exception or error:

As the title says, I’m struggling having decent screenshots of my app on Play Store. I know there are similar questions, but none worked or helped me finding a solution. What I tried so far:

  • 1280×720 RGBA PNGs ~100KB each, as created by the Android Studio emulator;
  • 1280×720 RGB PNGs ~100KB each, by removing the alpha channel of previous ones;
  • 1920×1080 RGBA PNGs ~150KB each, as created by the Android Studio emulator;
  • 1920×1080 RGB PNGs ~150KB each, by removing the alpha channel of previous ones;
  • 1920×1080 JPEGs ~150KB each, by converting previous ones with quality 92.

In each of these, there’s no visible lossy compression on my end. When I view them on Play Store on browser, they’re fine too. On Play Store app, they are all badly compressed the same way, with blocky gradients and ugly artefacts around text.

Original source
Play Store

I tried clearing Play Store app cache many times, and I’ve obviously tested it on multiple devices.

I don’t see this on other apps, so there’s clearly something I’m doing wrong. Thanks. Edit: mmh, actually now that I look closely, almost all apps have a similar problem, but generally not as bad as mine. It looks like it affects dark themed apps the most.

How to solve:

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