This software is well known for developers of android. there are different ways to develop apps for android like using eclipse, android studio.
The android studio is best and the fastest way to develop applications for play store.this android studio is helps us (developers) ease to mangers the files and tons of shortcuts to get all the classes, methods, pick and drop user interface development.
Requirements :This software is big, i mean its about 1.3GB and needs about 4GB ram are the requirements for this software.