You can download free and paid games and apps from LG SmartWorld. The LG SmartWorld is an application store where you can download applications for your LG mobile phone.
1. Go to http://lgworld.com
2. Choose your location
3. On the right hand side of the page click on "Select Phone"
4. Under "Select Carrier" choose Virgin Mobile
5. Under "Select Phone" enter GU290. The LG Sway will appear as the only option. Click on it and then click on Ok.
6. You can now view free and paid apps for your phone
Note: You will be billed for data if you browse or download using your phone.