Communication is the key that connects people. Men transmitted their thoughts through signs, words and various other tools. Telephones were invented for distant communication. The first telephones were big, but with time and improvement they got smaller and smarter.

Cell phones are electronic, wireless and portable devises created to make mobile telephone calls across wide geographic areas. The advantage of these cell phones is that they differ from cordless telephones that offer service within a limited range of a fixed land line. Another advantage is that users of this device can make and receive calls to and from public telephone network, due to a connection to a cellular network owned by a mobile network operator. Modern cell phones are designed to entertain too. They sustain many additional services or accessories like messages, Internet, games, e-mail, Bluetooth, infrared, camera, MMS messaging, radio and many others. The first hand phone was presented in 1973 by Dr. Martin Cooper of Motorola. In 1983 appeared the DynaTAC 8000x, the fist commercially available mobile phone. From 1999 to 2010 mobile phone subscriptions grew worldwide from 12.4 million to over 4.6 billion, reaching the bottom of the economic pyramid.

Android tablets are the greatest creations of the century. The Android tablet is a relatively new working system designed for cell phones, tablet computers, and netbooks. The Android is based upon the Linux Kernel Software and it was designed by Google.

Android tablet cell phones are a new generation of mobiles. They are a combination of portable computer and mobile phone. These devices are designed to fulfill every expectation of the costumers. One can not speak generally of Android tablet cell phones because there are various types of cell phones. Though some of their characteristics are similar, many differences occur between them. Some of the better Android mobiles are the Samsung Galaxy Tab, Eken M001, NEC –Life Touch Android and the Dell Streak Android 2.2.

The Dell Streak is one of the most important and well known firms in the industry of technology. Their Dell Streak creations draw the attention of critics and costumers. The devices with their performing and innovative features brought only praise. Their newest creation the Streak, a tablet phone, is powered by Google’s Android OS. It was “blessed” with a 5-inch, WVGA (800x480pixel) capacitive touchscreen. The device is equipped with a 1GHz Qualcomm Snapdragon. It was created to run on Google’s operating mobile system. The first edition of the Dell Streak planned to be launched, will be incorporated with Android 1.6, but there are promises of upgrading it with Android 2.2. The streak has other qualities too: Bluetooth, GPS and WI-FI, it supports voice and a 3G cellular-wireless access. The storage and memory worth mentioning too, since the phone was added a removable 16 GB microSD memory card. The device has a 5-megapixel auto-focus camera. The dimensions of the Steak are: 153mm x 79mm x 10mm. The device will be accessorized with unbelievable applications, entertainment and communication software. It will also support an Adobe Flash 10.1 player and a video chat application.11