Abstract
In this paper, two current popular mobile operating system, still in relation to the concept
of cloud began to supplant the internet almost Word today, the differences, the concept of cloud
security mechanisms they use for themselves and are dealt with in this environment. One of
comparing mobile operation system is representing open source and the other for close source one.
The other issue discussed in this article is how the mobile environment interacts with the cloud than
the cloud communication with the computers.