Nanex – Mini Android Phone
As you might have guessed with the name, it’s a mini smartphone for enthusiasts. At 2.45 inch display, It’s not only tiniest smartphone in the world but also comes with water and dust resistant capabilities. It has IP53 certification for water resistance, 1ghz processes and runs on Android 4.0 ICS. While it may not be the most up to date smartphone today, but certainly is one of the most unique smartphones.