piracy

I plan to release one small, low priced utility. Since this is more hobby than business, I planned to use Dotfuscator Community Edition that is shipped with VS2008. How good is it? I could also use definition of "good enough obfuscator" - what features are missing from Dotfuscator Community Edition to make it good enough. Edit: I checked pricing on number of commercial obfuscators and they cost a lot. Is it worth it? Are commercial versions that much better protecting from reverse engineering? I'm not very afraid of my application being cracked (it will be disappointing if application is so

I've just released an app, a paid app, 4 days later a user told me there's another web site in China hosts my app. I downloaded it from there, and it does run fine on my device! There are posts here saying people can change the package name and republish an apk. But this is not my case, the cracked version still uses the same package name. I used Android Vending Licensing in the program, but the cracked version does not do licensing check at all. I used ProGuard to obfuscate it, but that doesn't discourage the hackers. Question #1: I signed the apk file according to Google's instructions. But

I am curious about how do you protect your software against cracking, hacking etc. Do you employ some kind of serial number check? Hardware keys? Do you use any third-party solutions? How do you go about solving licensing issues? (e.g. managing floating licenses) EDIT: I'm not talking any open source, but strictly commercial software distribution... There are many, many, many protections available. The key is: Assessing your target audience, and what they're willing to put up with Understanding your audience's desire to play with no pay Assessing the amount someone is willing to put forth to