ASUS PadFone 2, officially available in Singapore from 22 Nov’12 onwards, consists of a higher-specification quad-core smartphone and a completely redesigned tablet. The 4.7″ Android smartphone docks with the PadFone 2 Station, featuring a 10.1″ tablet. Visually pleasing, the unique 2-in-1 combo is light and sleek – the PadFone 2 weighs only 135g and the…