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
Netflix Standard with Ads
Amazon Video
Joyn Plus
ProSieben Fun Amazon Channel
Seven Entertainment Amazon Channel
Amazon Prime Video
Apple TV Store
Amazon Prime Video with Ads
Magenta TV+
Streaming availability data provided by JustWatch.