Software

[Android Question]

How to build an application? is their any free software for application development purpose?
what kind of instructions we have to follow?

 

[KJohns]

depending on your level of experience mit's app inventor is free and serves as a good tool to get into the world of app development.

---> MIT App Inventor

 

[scary alien]

That's certainly a big question .

But there's several places to start:

Building Your First App | Android Developers

Application Development - Android Forums

Gotta start somewhere...best of luck!