On one hand, Android provides
developers with the convenience of APPs development. On
the other hand, it also means a convenience to criminals due
to the lack of effective supervision mechanism on the
publisher. The ordinary users lack of safety knowledge are
easy to download and install these malicious software, which
may lead to the leak of the users’ privacy information, the
inexplicable SP value-added service charge, and even lead to
the abnormal use of mobile phone