I've just installed a copy of tapatalk on my Samsung Galaxy S running Froyo, an it's working great! It's a little bit slow but i'm putting that down to connection for now.
Also, the copy of tapatalk I've got is pre-activated so anyone on android can use it for free! I'll upload it later though (if that's allowed, Boss??) cuz it's far too late here!
How to:
- Put the .apk file on your phone (I put all my .apk's in a folder called "APK").
- Allow unknown sources to install to your phone via Settings -> Applications -> Unknown Sources.
- Browse to the file via a File Manager such as Astro or Android's built in "My Files" and install.