The "dynamic coin value" is corporate speak for "we pay whatever the fuck we want." I'll wait
The harsh truth is that you aren't doing anything wrong, and no amount of strategy is going to "crack the code" because the system is rigged against you by design. JustPlay has essentially engineered a system that turns its user base into digital sharecroppers. They lock you into a psychological loop using that 3-hour countdown timer, creating an artificial sense of urgency that forces you to constantly grind, tap, and watch mind-numbing ads just to hit a moving goalpost. You are trading your actual time, attention, and data—the most valuable assets you own—for an arbitrary, worthless in-app coin that has absolutely zero fixed value.
Because there is zero transparency and they hide all the actual ad revenue numbers in a complete black box, they can arbitrarily tank your payout whenever they want to protect their own profit margins. You might grind for three hours and get fifty cents, while they pocket the actual cash the advertisers paid for your undivided attention. They have structured the app so that they hold one hundred percent of the leverage, extracting pure profit from your labor while paying you whatever pennies they feel like dropping into your lap. If you want to keep using the app, stop stressing over optimizing their algorithm. Hit the bare minimum to cash out, close the app, and stop letting them lease out your brain power for free.