Active piggy bank

[How to use] 1. Set the amount by tapping "目標金額を設定" in the upper right. 2. Tap the money to set the savings amount. 3. Tap the top left "貯金" button to save. - It will be displayed how much it is necessary to reach the target amount! - The savings amount can be corrected and cleared! Please contact the review section or DM here. https://twitter.com/corasck