After your purchase of $KUNAI you must stake it to earn staking rewards and to receive revenue share.
Staking is for now only available in the Klever Wallet app. You will need also KLV tokens for the network fees where the $KUNAI token is located on. See below steps how you stake $KUNAI:
Step 1: Open the Klever Wallet app. Tap on Portfolio icon. Then, select $KUNAI (KunaiKash) token and choose an account.
Step 2: Inside the $KUNAI account, tap on STAKING icon. In the staking page, tap on Staking button, then input the amount of $KUNAI you want to stake and tap on Next button.
Step 3: In the next screen, you will see the details of the staking transaction. Tap on Confirm button, then input the PIN code or your Biometrics to sign the transaction. Staking rewards will start immediately.
PS: Minimum period of STAKING is 4 epochs (24 hours).