There are already phones with 108MP cameras [1], and my current ~200 EUR phone has a 64MP camera. [1]: https://www.smartprix.com/bytes/best-108mp-camera-phones/
You are allowed to use Google services. There is even an alternative called microG which is compatible with apps requiring Google serivices but it sends "fake" data to Google.
There are already phones with 108MP cameras [1], and my current ~200 EUR phone has a 64MP camera. [1]: https://www.smartprix.com/bytes/best-108mp-camera-phones/
You are allowed to use Google services. There is even an alternative called microG which is compatible with apps requiring Google serivices but it sends "fake" data to Google.