I've just tested 2 light wallets (other on remote desktop) and got terrible experience!
First, if it send, it takes like a minute minimum.
Then there's 100% CPU hogging and nothing more forever (until I close the wallet).
Then there's "confirmed" 0 value transactions?!
Did you connect the address in the wallet to the tangle? Otherwise, your payment won't show up. Second: having to give some CPU power is what this coin is all about. You are both sender and miner in one.