How do you use it? – Gems Calculator and Video Clash of Clans Guide & Strategy Free Review

What is the thing next to the time that says an amount of money (ex: 4.56$)? What does it mean? Please respond to me/ give me a response. ❓❓❓❗❗❗
Review by Awesomedude346 on Gems Calculator and Video Clash of Clans Guide & Strategy Free.