A developer could side-step the difficult to contact issue by being a shareholder and contacting Investor Relations. The SEC may get involved if companies ignore IR communications. The IR person would be able to give you a direct contact.
Also, pay attention at conferences when you meet Googlers and stay in contact. They may also be able to help you with direct support.
Also, pay attention at conferences when you meet Googlers and stay in contact. They may also be able to help you with direct support.