yahya alshaar(SOKY-Manager)

• beta ReserchAndroid is a Linux-based operating system   designed primarily for touch screen mobile  devices such as smart phones and tablet computers

•    Developers write primarily in a customized version of Java, and apps can be downloaded from online stores such as GooglePlay

Android consists of a kernel based on the Linux kernel 2.6 and Linux Kernel 3.x (Android 4.0 onwards), with libraries,
middleware & APIs written in C and application software running on an application framework includes Java-compatible libraries based on Apache Harmony.



Applications

 usually developed in the Java using Android Software Development Kit & other such C or C + +
 Applications can be Download by:
 Google Play
 Amazon Appstore
 Third-party site

 The operating system itself download & install app when you click any app in it's appstore
 
Security-App
 Android applications run in environment which called (sandbox)