The Recent Activity Log allows you to track your recent rewards and items gained or used in the game.
Tap your Menu Icon -> Options (gear icon) -> Support -> Recent Activity
Please note - the Recent Activity Log displays only entries containing 3-star or higher rarity Items, Heroes and Troops. Gained Gems are also shown. The consuming of Gems, Battle Items or Crafting Materials is not shown. Food, Iron or Recruits are also not shown.There might be a few minute delay until your most recent activities will appear on the list.