The Samsung Galaxy 3 is also known as the i5800, or the i5801/Apollo on Orange. Only use this tag when your question is specifically about this device.
The Samsung Galaxy Apollo offers many of the best features of the Galaxy S, including version 2.1 of the Android operating system, in a much cheaper handset. One of the most distinctive physical features of this phone is its Home button triangular/trapezoidal shape.
Samsung Galaxy Apollo i5800 / i5801
The Apollo uses version 2.1 of the Android operating system. Full device specifications can be found at GSMArena.