forex tools

in this thread i would like to discuss all tools which help you with forex!
for example books, videos, apps etc
as for me im using sintec forex game for my android system!
it is good one because its helps me a lot:
1) you can trade like on real without losing cash
2)you can trade everywhere cause your phone is always with you
3) trade you forex skills all the time
4) its helps you to be the better trader