歡迎來到 Youci Huang 軟體之測試群組！欲參與應用程式測試，請點選上方「加入群組」以加入群組。完成後請回到指示頁繼續操作，連結到商店頁面即可下載程式。

Welcome to the test group for Youci Huang's applications! If you want to participate in app testing, please click "Join Group" above to join the group. After joining, go back to the instruction page and continue. Click the link to the Play Store and you'll be able to download the app.