The RCD330+/330G give you CarPlay and Android Auto (if you get the right model) and is basically a drop in replacement:
You will likely need an updated canbus to deal with battery drain in the MK5's.
Plenty of talk over here:
Replacing RNS 510 with RCD 330+
If you really want an Android headunit so you can run apps natively there are options out there, but nothing I know much about. Joying is a brand I keep seeing when I do read, but I have zero knowledge past that.
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