One of this most remarkable devices announced on Mobile World Congress 2010 is Android communicator by Samsung. Its main features are 3.7 inch Super AMOLED touchscreen display and built-in projector. Besides Samsung GT-i8520 Halo runs on Google Android 2.1 operating system with TouchWiz 3.0 user interface and is equipped with 8 Mp camera with HD video (720p) recording support, 0.3 Mp frontal camera for video calls, 3 Gb RAM, 4 Gb ROM, Wi-Fi 802.11b/g/n, Bluetooth 2.1 with A2DP, 16 built-in flash memory, microSD memory card slot, GPS, accelerometer, and 3.5 mm audio jack. The battery of this mobile phone has 1800 mAh capacity and provides 14 hours of talk time and 630 hours of idle time. The dimensions are 123×59.8×14.9 mm. Samsung GT-i8520 Halo will become available in the third quarter of this year.