will be transiting in PVG airport from 6am till 9am for my connecting flight out to BJS. what can i do within these 3 hours ? what are the prices of the restaurants or food outlets in the transit area ? will have to take breakfast there coz reachign BJS just b4 noon time only.

btw, i bought a prepaid card in Hainan in April, can i use it in SHA or BJS at local rates