Products
Private Notes
More than 2,000,000 people relied on Private Notes to keep their photos hidden
Almost every one got a mobile device, like the Android phone you are using now. Many people got private photos in their mobile devices but still need to share mobile devices with their friends, family members or colleagues. You need an app to protect your private photos.
JustCalc
Simple math app to train up your children's math ability.
I wrote this simple application after observing my 4-year old doing her Kumon math homework, in that system the kids seems to go over a repetitive process to practice on the math problems.