Amateur effort

Android apps

Several apps have been published.

https://play.google.com/store/apps/developer?id=Amateur+effort 

Call Prefix Filter

https://sites.google.com/view/callprefixfilter/home

Call Screener

https://sites.google.com/view/callscreener/home

Random Number Generator

https://sites.google.com/view/securerandomnumbergenerator/home

Uptime Alarm

https://sites.google.com/view/uptimealarm/home