Smartphones haven't been forgotten amid all the new tech at the CES gadget show this week in Las Vegas.New products on display include a tablet that folds into a phone and a device that turns your finger into a phone.The Royole FlexPai smartphone was first shown in November but the California-based company has now released more details on the device.The dual-sim device has a 7-8-inch HD display that can be folded tocreate to smartphones, one for each sim card. (AP)