You can download free apps from both the Google Play store (via the full site or the app), or the Amazon Appstore (also via the full site or the app). You can "sideload" an app (downloading it from an unknown source), but keep in mind doing this could compromise the security on your phone.
There are both free and paid apps available for android phones.
You can find them on the android market under the free section. This will allow you to find the top free apps for your latest android phone. This is how I find the best android apps.
Some of them are, but not all of them.
Android jailbreak
it say free figure it out dummy
RedTube
Apps from WeeWorld, Inc. are Android free apps that allow you to play online as well.
I found these free killer android apps they got some great stuff in mobile gaming check it out in the related links " FREE MOBILE APPS"
market app.
Some of the apps are paid for, others are free. Plenty of the free ones are excellent. Watch out for 'free' apps that want to charge you for extras once you are using them.
Yes and free too as most apps are for android, also gps navigation
Look on the android market.