The Android M mobile software features an upgraded version of "Google Now," the voice-activated assistant which competes with Apple's Siri and Microsoft's Cortana.

　　The mobile operating system also includes support for fingerprint-checking.

　　谷歌推出Android M和Android Pay

　　It is due for release later this year.

　　Michael Facemire, Technology Analyst for "Forrester", says the new system gives users more control over what information that apps can access from their Android phones.

　　"If they can get you to spend more time on your Android phone, more time in Google apps, more time in Google Photos, more time using Google Now and the things they suggest that you might want to do. Now all the sudden, I can get a lot more, a better information about who you are, what you might want to do, what you might want to buy."

　　Meanwhile, Android Pay, like Apple Pay for iPhones, will allow users to make online and in store purchases with their mobile and wearable devices.

　　The system will work in more than 700-thousand US retail outlets that accept contactless payments.

　　Google has not announced the launch date for Android Pay but says it will be available for download on Google Play soon.

　　The two systems are just part of the new releases Google offered at the conference.

　　Other highlights include a new photo app Google Photos, improvements on the Android Wear platform as well as a virtual reality system co-launched with action camera maker GoPro.