KoalaSwap is having an airdrop of 75000 $KLA total. There is no referral program.

Sign up here.

Follow them on Twitter here.
Retweet tweet from here.
Comment on the tweet here.your BEP-20 Address
Tag 5 friends.
Join their Telegram group here.
Join their Telegram channel here.
If you don't know how to sign up for a BEP-20 address check here.
Add the $KLA token to your wallet, getting the contract address from their website or the telegram group.

Congrats, you are all signed up for their airdrop. The distribution date should be around March 25th, 2021.