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Pumpkin like Joying are known cheap Chinese brands of Android double din head-units.
I nearly bought a Pumpkin myself but settled on this one:
https://www.ebay.co.uk/itm/7-Android-8-1-Double-2-Din-Car-Stereo-Radio-MP5-Player-GPS-SAT-NAV-Rear-Camera/383040269431It comes with all the cables and a rear view camera which is great (fitting it was fiddly but do-able). Getting the correct fascia that would fit the 2Din hu was the real headache.
The great thing with those 'no-name' pieces of kit is that they're fully open and you can then customise them with your own favourite apps.
I use the Agama Car Launcher, and another music player to give me the album artwork which I couldn't have out of the box.
Anyone know if these android units are worth a go? They seem relatively cheap, but I've never heard of 'Pumpkin':
https://www.amazon.co.uk/PUMPKIN-Android-Bluetooth-Support-Fastboot/dp/B07BKRGZS1/ref=sr_1_3?crid=X22531UDAN09&keywords=double+din+android+head+unit&qid=1579685257&sprefix=double+din+and%2Caps%2C284&sr=8-3