More and more versions of Asus Zenfone are coming in various places. One of those is the upcoming Asus Zenfone Go.
Zenfone Go will have a 5 inch HD display with Mediatek MT6582 quad-core processor and Mali 400 GPU, 3G connectivity, 8 MP main camera with flash, 2 MP selfie camera and 8 GB ROM
This was spotted somewhere in Russia and this will be unveiled before the end of the month
Source: PhoneArena