> The web. Without scare walls or hidden "enable downloads" menu settings. I'm not too sure about that, for non-technical users the warnings before installing

> The web. Without scare walls or hidden "enable downloads" menu settings. I'm not too sure about that, for non-technical users the warnings before installing an APK on Android are very likely a good thing. There's a lot of malware out there and, similar to running a downloaded Exe on Windows, you should at least explicitly confirm it's execution.