I am glad to see people helping each other on this thread. We don't have time to get to everyone's specific concerns or questions so I am happy to see more experienced crypto users helping those which are less experienced.

Yes you need to keep your wallet open to stake continuously (this is what is securing the network).

If you weren't on any of the two lists then you really messed up the registration and will NOT be receiving an airdrop.

We have applied to cryptopia for an exchange listing and we are waiting on them to process it from their side.