1.Others android use few years is wroking slow.but microsoft anytime does not hang or slow working
2.Some advanced apps like cotana, olacabs, one drive, office is very useful
3.some people said xender does not work in lumia, but my experience shareit its really work
4.skype one of best apps for videocalling
5.microsoft apps and windows in this phone two combo really awasome
6.in this cost lumia 540 its a big deal.
7.and its outlook is very pretty. so, friend I suggest lumia 540 one of best phone in market.