List some Advance Features of Android OS?
Google now (voice assistant)
NFC (Near Field Communication)
Unlock your phone by your face
Use your phone with joystick to enjoy gaming experience
Connect your phone with LED TV via MHL or micro HDMI cable
Screen Capture
Multitasking Future (Task Switcher)
Data Usages (Check and also set limit from device)

What Tools are Required for Developing Android Apps?  
JDK
Eclipse + ADT plugin
SDK Tools.


List the main components of Android applications and describe them

Components Description
Activities They dictate the UI and handle the user interaction to the smartphone screen
Services They handle background processing associated with an application.
Broadcast Receivers They handle communication between Android OS and applications.
Content Providers They handle data and database management issues.


Describe the APK format?
Answer: The (Android Packaging Key) APK file is compressed format of the AndroidManifest.xml file, application code (.dex files), resource files, and other files. A project is compiled into a single .apk file.

List popular Android app stores and the benefits of each.

Describe some ways Android Studio development differs from Eclipse

What is the difference between Service and Thread?

Answer: Service is like an Activity but has no interface. Probably if you want to fetch the weather for example you won’t create a blank activity for it, for this you will use a Service. It is also known as Background Service because it performs tasks in background. A Thread is a concurrent unit of execution. You need to know that you cannot update UI from a Thread. You need to use a Handler for this.

Have you dealt with large data sets in XML or JSON?

What‘s the last project you worked on in your spare time without pay?

How would you handle data collection in a mixed offline/online environment?

How do you test your Android projects?

How would you go about diagnosing memory leaks in an app?

Describe your process for documenting your work.

Describe Your immediate reaction to stressful situations. (Do you retain your calm or run scared?)
 
Walk us through the creation of a tic tac toe game.