. All the parental control app features you need. Android is a mobile operating system based on a modified version of the linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets.android is developed by a consortium of developers known as the open handset alliance and commercially sponsored by google.it was unveiled in november 2007, with the. from venturebeat.com How to set up voicemail on google voice using a web browser. In our testing, without setting it as the default app, sending messages happened instantly, but receiving messages took a long time. To replace the recording, tap redo.