my english is not good, so if there are some wrong in my words, just forget it. thanks! i am a chinese backpacker and i love the indian culture very much. i had dreaming this travel for months. i will begin my travel at Jan/2012, will visit cities: Delhi, Agra, Varanasi, Jhansi,etc. and i need some informations from every friends. 1, what kind of GPS software is the best one in india? free and offline-using is better. i need install in my andriod or win mobile system cellphone. i just know the googlemaps, but it's an online software, i don't know whether i could keep online anytime. 2, which Mobile operators is better? i need charge money at different cities, and cheap and 3g is better. 3, which Hotel Chain is better? i need the name, the offical website link is better. 4, introduce some pop music stars. name and classical songs. ...... maybe i will need some more. now these are ok. thanks whatever.