An Android phone that slides open to reveal a ... which was never released to the public. The Nokia 950 had a slide-out keyboard hidden beneath the screen but was only ever given to app developers.

This upper-end slide-style GSM feature phone sports a clean design with metal finishes, 3.2 megapixel auto-focus camera with high-quality lens and advanced video capture, and TV output.

This GSM phone has a thin slider body and 3 megapixel camera, but is otherwise similar to the 6600 Fold, including an accelerometer that responds to tap commands. Other features include memory ...