Everybody uses the smart phones that move on two systems – Android and iOS. It is worth to discover about 1 of those systems – Android.

In today's world, the android development is a key aspect when it goes to modern technology development.

In contemporary's uncertain and unstable world, managers and supervisors, predominantly in big international holdings, encounter a huge challenge - the demand to make quick choices in the context of a huge grow in information that does not in all occasions seem to be readable.