Click to enter the acquisition app, find the acquisition bar, click to enter, and you can see the window of turning the stone into gold. After entering the window, there will be activity teaching. According to the activity teaching, click to buy virtual shoes, the shoes of the same grade can be synthesized into advanced shoes, and the new shoes can be unlocked to get diamonds.
When you save enough 40,000 diamonds, you can change a specific pair of shoes for free.