App issue in china on blackberry world

I have no idea why blackberry could not develop a relationship with Chinese smartphone market, and authority .. APPLE and Samsung have the sailing record ..apple has sold 7 millions unit of iPhone 5S with in a week ..

When the question of survival on such a time blackberry should keep the attitude beside and focus on the market discuss with the source to enter in the world biggest market ..

Following apps missing from the blackberry world in China
skype
blackberry maps
dropbox
BBM channels
intouchapp contact(not working)

Many apps in the blackberry world but not working after download ...


Same apps on Google's play and APP store working fine ....

true , can check with other user