End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
學生哥恩物: 解方程未知數,寫出算式即出答案:MyScript Calculator https://qooah.com/2014/03/10/myscript-calculator/