A VPN lets your device connect through another country, so you can browse the catalogue there. Check your streaming service's terms first — some don't allow it.
Your services — showing everywhere they carry it, deselect what you don't have
Netflix
Amazon Prime Video
Netflix Standard with Ads
Amazon Prime Video with Ads
Go3
RTL+
Netflix Kids
Oneplay
MTV Katsomo
SFR Play
Gullimax Amazon Channel
Discovery+
Discovery+ Amazon Channel
Watcha
Streaming availability data provided by JustWatch.