How to exchange telephone charges for mahjong of Tuyou Regal?

Tuyou Regal Mahjong Phone Charge Exchange Steps are as follows:

1. Open the regal mahjong game and enter the expedition.

2. After completing a game of mahjong, start the expedition blessing.

3. Get the redemption code in the blessing reward.

4. Enter the Regal Mahjong software and enter my avatar in the game.

5. Switch to the exchange code interface on the right.

6. Enter the exchange code, and then select OK to exchange.