Asus launches the Eee Pad Transformer Android tablet, which is first announced at the CES 2011. Powered by NVIDIA Tegra 2 1GHz dual core processor, the Transformer runs the tablet-optimized Android 3.0 Honeycomb OS with Asus’ Waveshare UI and Flash Player 10.2. One of the main features of the tablet is the optional docking station that offers full QWERTY keyboard, touchpad and Android buttons, transformering the Eee Pad into a “full-fledged notebook” for mobile productivity. The docking station also extends the Transformer’s 9.5 hours battery life up to 16 hours.

Samsung offically announced the Galaxy Tab 8.9 and Galaxy Tab 10.1 ultra slim Android tablets, expanding its Galaxy family. While the Tab 8.9 is introduced for the first time, Samsung re-introduced the Tab 10.1, brining a complete new design and slimmer body. Both tablets run Android 3.0 Honeycomb OS with the company’s TouchWiz UX/4.0 user interface. These new Tabs are the world’s thinnest mobile tablets, measuring just 8.6 millimeters, according to Samsung.

Here is a 12-minute video introduction of Samsung’s new Galaxy Tab 10.1 Android tablet. The new 10-inch Tab is powered by NVIDIA’s Tegra 2 dual-core 1GHz processor and runs Android 3.0 Honeycomb OS. It has a 10.1-inch touchscreen, a 8 Megapixel main camera with …

LG officially announced its new 3D-capable Optimus Pad V900 tablet running Android 3.0 Honeycomb, which is known as the G-Slate in the US market. The 8.9-inch tablet is powered by 1GHz NVIDIA Tegra 2 processor and runs Android 3.0 Honeycomb tablet-optimized OS.

After Motorola XOOM and LG G-Slate, here comes the Samsung Galaxy Tab 10.1 (model P7100) tablet that also runs Android 3.0 Honeycomb tablet-optimized OS. While the original Galaxy Tab is a 7-incher, the new model comes with a 10.1-inch 1280×800 touchscreen display, just like the XOOM and G-Slate.

Other than the Galaxy S 4G, T-Mobile also announced more details of the LG G-Slate 4G tablet device with Android 3.0 Honeycomb. The device, known as Optimus Pad outside the US, supports T-Mobile’s HSPA+ network and WiFi connectivity. It is powered by NVIDIA’s Tegra dual-core 1GHz processor and comes with 32GB internal memory.

T-Mobile is going to release later this year the G-Slate by LG, a tablet device running Android 3.0 Honeycomb OS, like Motorola’s XOOM. The device will be 4G capable supporting T-Mobile’s HSPA+ network. It has a large screen (probably 7-inch) and will feature the latest Google Mobile innovations including Google Maps 5.0 with 3D interaction.

Videos after the break: