Amazon jas been long rumored to be developing its own smartphone, but this time the rumor mill goes a step further and has the company to be working on a screen that allows people to see 3D images without glasses. The Wall Street Journal reported Thursday that the Internet retail giant is working on several gadgets to add to its offerings of Kindle tablets and e-readers. The report said the devices include two smartphones and an audio-only streaming device.

The paper said Amazon is trying to make a broader push into hardware.