If you’re unfamiliar with Treasure Trooper, I discuss it in much more detail in my blog article.
Treasure Trooper allow you to earn one free dragon egg by using their “cash search” function. You’ll receive your free egg after 100 searches. It’s worth noting that only the first three searches per day count towards the free egg so it’ll take roughly a month and a half to reach the goal.
Here’s the one I got:
Spare Time Income 