The phones, starting at about $105 each, are aimed at bringing affordable, quality phones and mobile service to billions of users around the world, Google said.
Users of Microsoft's OneDrive app for Android can now access both their work and personal files on the same app.
NEWS ANALYSIS: A pair of new reports takes aim at Android security, but there are steps users can take and the sky isn't falling.
The new phone will retail for $279.99 through Amazon.com and be available starting Aug. 27.
The new HTC One M8 smartphone is the same device that is already available running Android, as both AT&T and Verizon Wireless add to their Windows Phone 8.1 offerings.
The Sharp Aquos Crystal phone includes a 5-inch edge-to-edge HD screen, sound from Harman Kardon and runs on Android KitKat 4.4.2.
PRODUCT REVIEW: Little-known Voxeet has come up with a new, free-of-charge conference call app that enables talk-overs, cuts static -- and just works.
NEWS ANALYSIS: Google's Android is far outselling everything else on a worldwide basis. But Android's dominance means less to people who need a secure and reliable smartphone for business.
Google has created an online community where language lovers can contribute their expertise to continually refine Google Translate services.
NEWS ANALYSIS: The Samsung Galaxy Alpha is a lower-end version of the GS5, with an iPhone-like metal band, that appears headed for the U.K.
Apps developers can now start to experiment and build fitness apps for Android using the preview SDK and its APIs, tools and other features.
Alleging that the company is being stiffed by Samsung, Microsoft turns to the courts.
The open-source Google I/O app was built to help attendees navigate the event. Now its code is being released to help developers use the code for other projects.
Bluebox Security reveals fundamental flaws in how Android validates the identity of app developers. Full details will be given at the upcoming Black Hat event.
The Samsung Z, a move away from Android for Samsung, has had its launch canceled, due to plans to improve the Tizen OS and its ecosystem.