Check the model and account first
Google’s Chromebook guidance states that only some models support the Play Store. Work or school administration can also restrict access. Check the device’s Apps settings and current ChromeOS support before assuming a missing store is a player fault.
A Chromebook does not automatically install the same Android apps used on a phone. Some applications are unavailable or unsuitable for a Chromebook even when they work on another Android device.
Choose a browser or application route
For a supported web service, use the publisher’s browser requirements and normal sign-in. For an Android player, use the Chromebook’s supported Play Store route and inspect its keyboard, touchpad and window behaviour. These are separate configurations.
A television-remote-only application may be awkward on a laptop. Conversely, a touch-oriented phone player may not use the larger screen well. Test the controls you expect to use rather than choosing only by an application name.
Keep managed-device limits intact
If the device is administered by an organisation, resolve app permissions through that administrator. Do not treat developer-mode changes or bypassing management as routine streaming instructions. A personal service account does not override the device’s existing policy.
Keep downloaded playlist files and private account details out of shared school/work folders. The browser and an Android app can also have different file-access paths.
Test an actual session
Try login, playback, audio/subtitle selection and recovery from sleep on the chosen supported route. Record whether a problem belongs to browser access, Android app availability or the service account. This is more useful than describing all three as a Chromebook compatibility issue.