If you're shopping online with your laptop or PC it's easy to compare prices on different e-commerce sites by using the browser extension. That hasn't been the case with your smartphone, but all that's changed thanks to a handy new app called Voodoo.

Here's how it works: Once you've installed the Voodoo app on your phone it automatically syncs with all your other e-commerce apps. For instance, say you're looking to buy a new digital camera online and you find it on Flipkart. The Voodoo app icon will immediately pop up, and when you tap it it automatically...

Despite recent problems with their Note 7 and a plunge in profits, Samsung remains the world's biggest smartphone manufacturer. In the last quarter alone, they produced 25 percent of the 355 million devices shipped. In a bid to stay ahead of the game, and negate possible image problems after the Note recall, the company is acquiring Virginia-based start-up enterprise, Tachyon.

Tachyon, a specialist in mobile device configuration and security for businesses, had been working with other manufacturers. The deal with Samsung, however, means their technology will become proprietary, closer...