Installing Android SDK (April 2015) in Linux Mint

1a. Install Java SDK (http://stackoverflow.com/a/17909346)
sudo apt-get install openjdk-7-jdk

1b. Add JAVA_HOME variable to system environment
sudo nano /etc/environment  # or use any other editor

1c. Add line with path to your java location:
JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64

Reboot/Logout


2a. Go to 
https://developer.android.com/sdk/index.html
-> Download Android Studio

Unpack

go to
android-studio/bin
run
./studio.sh

2b. Go to Tools->Android->SDK Manager. Install required SDK version


3. Install kvm
sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils 

Enable Virtualization Technology in BIOS

to check if it is ok run :
sudo kvm-ok
(http://askubuntu.com/questions/552064/how-can-kvm-be-located-by-android-studio-on-ubuntu-14-04-lts)