HideMyAss (HMA) is a popular VPN tool that allows you to change your real IP address and use one from any desired country.
Traffic is encrypted, you can switch to different countries and IP addresses and you will be sure that your real identity will not be tracked by third parties.
Users must make an online account at HideMyAss website and download a small software, available for all major desktop platforms and smartphones.
It allows to schedule the changing of IP addresses, it displays real information about each server (speed, ping etc.).
They have hundreds of servers in 75 different countries.