Who wouldn’t want this? Photo: Lenovo

If Marty McFly brought a smartphone back from the future, it would likely be a lot like the Lenovo Smart Cast, the world’s first smartphone with a built-in laser projector that’s capable of displaying a virtual keyboard and apps on almost any surface.

Android Pay confirmed. Photo: @caro_milanesi

Google is expected to announce Android Pay, its new Apple Pay competitor, during its I/O keynote today. But before the service is official, the company has inadvertently confirmed its arrival with a whole bunch of Android Pay signs that are dotted around Moscone West.

Don’t miss Google I/O 2015! Photo: Google

Stuck at work and can’t tune into the Google I/O live-stream today? Don’t worry, because we’re live-blogging the whole keynote right here so you don’t have to miss a thing.

The event kicks off at 9:30 a.m. PDT (12:30 p.m. EDT), and we expect it to be a big one. In addition to Android M, you can look forward to updates for Android Wear, Android Auto, and Chrome OS; news about Android Pay, Google’s Apple Pay competitor; and maybe even new wearables.

Google I/O is going to be good this year. Photo: Google

Google I/O is one of the biggest events on the calendar for Android fans, and this year’s event is going to be just as exciting as the last. In addition to the next-generation Android upgrade, we’ll see updates to other Google platforms, and maybe even new devices.

Here are nine things that you won’t want to miss during Google I/O 2015, which runs May 28 and 29. (Updated May 27.)

Two new Nexus phones this year? Yes please! Photo: Google

Google will attempt to reverse declining Nexus sales with the launch of two new smartphones in 2015, according to a new report. The devices are expected to come in different sizes to appeal to a larger number of consumers, but they may not be accompanied by a new Nexus tablet.