App Name: Avast! SecureLine VPN

Cost: Free for 7 days

Developer: AVAST Software

App Market: Download Page

Description:

Avast! SecureLine VPN is available for both Andorid and iOS. 
Key Features:

  • Encrypt your connection on unsecured public WiFi
  • Private, anonymous browsing
  • Choose your location
  • VPN on/off dashboard widget