After slow start , Android system has taken off in popularity . Comment: Google says it provides emulators to let developers test whether their apps work . It 's the diversity of devices running Android that some say has led to uneven results .
After slow start , Android system has taken off in popularity . Some developers say growth has made managing apps for the system a nightmare . Google says it provides emulators to let developers test whether their apps work . It 's the diversity of devices running Android that some say has led to uneven results .