Jewel Raider is a game to improve the Popularity on the internet。
set an interger range for every activity.  participants fill one interger on internet from the range at random. if the number is the only smallest among the audition numbers in the same period,the user who guesses out the number can win products accounced in the activity at the represented price of the numbers. Each aution will deduct a certain comsuption tickets.

The start and end time of Auction：only after the starting time to participate in the auction activities. And when the auction time is end up，the auction also ended.Only the time between the start time and the end time , the auction is proceeding.
The starting of auction price：the bidder must bid the opening price higher than this one.
The buyout price:when someone bids at its agreed price or above it,the Auction is over at once.the bidder will win this auction.
The rate of increase: when bidders are participating in an auction, every bid is not lower than the rate of growth.