It seems most contracts are stuck, I guess the price drop is making a lot of people lose interest.
The contract is here to stay, so even if there's no activity it doesn't mean that it'll always be that way. Ethereum is still in its infancy, after all.
Releasing new apps seems to be a waste of time, I'll probably wait for things to mature (both in terms of technology and community) before I release my next big project. For now we have this one, the greed pit, and my latest project LuckyDoubler, which unlike traditional ponzi games, has a random payout system:
https://bitcointalk.org/index.php?topic=1447675.0If you have some ethers you don't mind parting with, try giving some of my apps a try and someday you might get a nice surprise

If you want a fast profit your best bet is LuckyDoubler, as it has a 20% chance to give you an instant payout (contract address 0xF767fCA8e65d03fE16D4e38810f5E5376c3372A8).