The event, currently taking place in Barcelona's Fira Gran Via, feaured the launch of Samsung's Galaxy Note 8.0, Nokia's budget 105 handset and Huawei's Ascend P2.
Today, Nokia revealed its 105 mobile phone, a budget (£13) phone which can last for 35 days on a single charge.Samsung's Galaxy Note 8.0, an eight-inch mobile device that doubles as a phone, was unveiled yesterday (25 February). It comes with a quad-core processor and a pen operating device.
Samsung also revealed that its next flagship phone, the Galaxy S4, will be announced in New York on 14 March.
Meanwhile, HP launched its HP Slate 7, a low-cost Android tablet in the style of the Nexus 7, with a 1,024 x 600 pixels display and a dual-core A9 processor.
Huawei's Ascend P2, claimed to be the world's fastest phone, also launched. It features a 4.7-inch screen and a 13 megapixel camera.