Chipzilla’s Bay Trail Atom chips offer a 64-bit support and are certified as 'Intel 64' chips and the question had been “what is the point of that?”. Though Google has not yet confirmed whether Android 4.4 KitKat will support the 64-bit chipsets or not, but it is starting to look a little likely.
So far Android 4.4 Kitkat is known to feature multi-user customization, Bluetooth Smart support, updated keyboard, require less RAM, better animations and gallery, and new notification widgets.
But Google must be under pressure to release a 64-bit version, or Intel and Samsung are in on the suggested improvements. Samsung, one of the leading tech giants, has already announced that its future smartphones will have a 64-bit support.
Apple iPhone 5S, which was launched recently and is the first device to use a 64-bit chipset, and it is fairly unlikely that Google will want to be left behind.