The ARK team has done a great job of stripping out the LISK smart contract code and providing a clean platform to work from. We have two options really. Try to implement the new LISK 1.0.0 smart contracts, which I understand could potentially be a hassle due to how they are built.
LISK doesn't have a Smart Contract feature. Only Sidechains for JS-blockchain applications. It's different.
About Audiocoin. How will the donations be valued? By maximum price in the TEC period, by price on last day of the TEC or by price on a moment when transaction will come?