Android N’s new Calculator shortcut. Screenshot: Android Police.

When you need a calculator quickly to work something out, having to unlock your phone, open the app drawer, and find the calculator app can be a pain. But not in Android N, where the Calculator app is just a couple of taps away, and available on the lock screen.

Xperia X in cool lime gold. Photo: Sony

Sony’s yet to give us a launch date for the Xperia X series it announced back in February, but it does have a new ad that showcases its Smart Capture camera technology. The company has also started teasing “an exclusive offer” for those who pre-order.

Use Samsung Pay for free money! Photo: Killian Bell/Cult of Android

Samsung is desperate to make Samsung Pay your go-to mobile payment system, so it has been offering all kinds of incentives for using it. Its latest is a $30 gift card for Best Buy, eBay, Gamestop, or Regal Entertainment.

Here’s how you can get one.

There are more improvements hiding in Android N. Photo: Google

Google’s upcoming Android N upgrade will give users the ability to choose different wallpapers for their home and lock screens. The feature is already available in the second Developer Preview, which Google rolled out on Wednesday.

What will yours look like? Photo: Google

Forget boring smartphone cases that look just like everyone else’s; Google’s new “Live Cases” for Nexus smartphones come with your favorite photo or place printed on the back, and a shortcut button to your most-used app.