@Avid gamer, I can possibly answer some of your questions, and if I cannot maybe The beatstar db page can.
First, yes, there is a user guide to read. Second, I don't know what you mean about "copywrites" the hole beatstar thing is free, so copywrite doesn't apply, and if it did, many, many many! people would be in deep dodo due to the awsome packs that so many people have made, so in this situation (as indeed in many situations), copywrite can go sue itself .
Personally having the other tracks from 1000 heartbeats in beatbox would be great, as would more opponent sound files, though I like the idea of a timed sorting minigame, rather like the bomb defusing or bone matching in hunter or pipe two.
@Adel, I personally am happy with the coin amounts in memory, however i do have one suggestion regarding coins, particularly sinse the more minigames we have, the more coins people will earn, and while people do have to buy the minigames initially, and risk coins on the minigames, with skill games like boxing the coin supplies are going to increase, and so as any good economist knows when supplies go up you increase demand.
As I said, Beatstar is now turning into an arcade in it's own right with it's own currency that earns fun rewards. So, just as in real life arcades you have those bonus tickets you earn from machines and can save up for a prize, well how about having some prizes in beatstar? (and I mean some better deals than 100 bonus tickets for a pack of chewing gum).
Just like people submit packs now, why not let people submit prizes. each prize would essentially be two sound files, one giving the name of the prize, one giving a short soundclip or movie. Each prize would need to be bought with coins like a soundpack before it could be unlocked, and prizes would be expensive, like about 25 k coins each.
Once you had a prize, you could go to a "prize cabinet" option to listen to the short soundclip or movie.
Essentially prizes would be rewards just there for bling value, but hay when we're talking arcades and games, what's up with a bit of bling? and of course you'd still need to decide whether that killer prize with it's short movie was more worthwhile than another soundpack for beatstar or unlocking all the minigames (indeed I don't expect people would go for prizes until later in their careers).
Prizes would not be achievement trophies for getting onto scoreboadrs, scoring x in a row in beatstar or memory or one of the other games, or playing beatstar 900 times. Such things would be fun of course, but not specifically a coin sink as I imagine the prizes to be.
With our dreaming and singing, Ceaseless and sorrowless we! The glory about us clinging Of the glorious futures we see,
Our souls with high music ringing; O men! It must ever be
That we dwell in our dreaming and singing, A little apart from ye. (Arthur O'Shaughnessy 1873.)