We found this an interesting article:
Google are encouraging developers to use their mapping api’s. With developer stories:
and a showcase:
As mobile application developers who focus on maps and GIS, we have long been intrigued by Google. We love ESRI and think that ArcGIS Online is huge. But Google also have excellent data and api’s, which offer many possibilities for us to offer an even wider set of solutions. With Apple and Amazon in the mix, and MapQuest beginning to rev their engines. We are in for an exciting ride.