# Todorant Notes > What we learn building and shipping Todorant, a todo manager built on behavioral psychology for the web, Android and iPhone. This blog is published by the makers of [Todorant](https://todorant.com). ## Posts - [How Todorant's native Android app reached Google Play in four days, and lost 4.5 MB on the way](https://blog.todorant.com/todorant-android-google-play-four-days.md): Todorant's Android rewrite went from test build to Google Play in four releases: a deleted Google sign-in client, an R8 crash in QR login, and an unlicensed font that made the APK 7.7 MB instead of 3.3 MB.