What you see when opening the Play Store depends entirely on your locales. Search results and top charts are specific to each region, and there are many popular apps and games that just do not show up, unless your play store country matches.
Until recently, it was frustrating to change these settings. As someone who has had to switch back and forth between the US and Europe, I can confirm that. Luckily, the process is much easier today because the Play Store has been updated to include country and profile options that will appear as your IP address changes.
There are a few limitations, however, as Google may change the number of times you can change country once a year and technically you must visit another country to trigger a change in IP address. That's fine if you've actually moved abroad, but if you're still at home, you'll need to do some creative tricks to get around those limitations. First, by changing the IP address of your phone with a VPN service