LG officially announced the Optimus 3D P920 Android smartphone powered by “tri-dual” configuration – dual-core, dual-channel and dual-memory. The 3D phone is boosted by TI OMAP4 dual core 1GHz processor, and 4Gb LP DDR2 memory. It comes with 8GB internal memory.

Read more: LG’s Optimus 3D android on the prowl

The new Umeox Apollo is a unique smartphone in that it features an embedded solar charger, courtesy of Umeox Mobile’s partnership with intivation, located on the phone’s rear panel that continuously provides power to the phone, always providing the phone with added power. The Umeox Apollo is an Android phone that features a touch screen display, a high definition 3MP camera, Bluetooth connectivity and multimedia features. What makes it even attractive is that it is expected to cost only around US$100. The Umeox Apollo Solar Android Smartphone is set to be available in the market by May of this year.

Other than new flagship Galaxy S II smartphone and the new Galaxy Tab 10.1 tablet, Samsung also brings the Galaxy S WiFi 4.0 and WiFi 5.0 Android-based portable media players to the MWC 2011, to compete with Apple’s iPod touch. WiFi 4.0 looks just like the original Galaxy S and has 4-inch Super Clear LCD touchscreen while the latter is like an enlarged Galaxy S II with a 5-inch large touchscreen display with 800×480 resolution.

Read more: Galaxy S WiFi 4.0 and WiFi 5.0 compete with Apple’s iPod

Along with the Xperia neo, Sony introduces the Xperia pro business-oriented Android smartphone with an optimized, ergonomically crafted slide-out keyboard for a fast messaging experience. It includes the subtle but fast Type & Send functionality eliminating the need to open a dedicated app for each type of message, and Smart Keyboard that triggers predictive messaging actions automatically when the user slides out the keyboard. There is also pre-loaded Office Suite Pro that lets consumers view and edit office documents directly on the phone.

Read more: Sony Ericsson Xperia Pro QWERTY Android released