Hi Jonny!
Thank you for bringing this to our attention. I appreciate your query about the Galaxy Tab A (2019)'s compatibility with the Google Play Store. To answer your question, yes, the device supports the application so that users can find new apps, movies and TV shows, music, books, magazines, and games in the Google Play store.
For your reference, kindly visit the user manual on Page 74:
https://downloadcenter.samsung.com/content/UM/201909/20190907063624457/WIF_SM-T290_Galaxy_Tab_A_EN_UM_P_9.0_072919_FINAL_AC.pdf
Should you need more assistance, you may reach us via the following for immediate support:
1. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
2. Facebook Messenger: http://m.me/samsungsupport
3. Twitter: https://twitter.com/messages/compose?recepient_ id=18768513
Reference Number: 1144326328
Thank you for choosing Samsung. Have a great day!
^Chrystel