Anyone in need of super quick access to their dialer, Simple Dialer Widget is for you. By installing this, you can place a dialer directly on your homescreen, which also brings access to your ...

All you’ve gotta do is snag Simple Dialer Widget from the Google Play Store — it’s a free download — and then drop the widget onto one of your home screen panels.

It's simple, free, and all it does is give you a list that you can assign contacts to, 0-9, and when you long-press that contact's number, it'll dial them. That does it for all of the free apps.

[SunFounder] is able to make a simple dialer from scratch, using an Arduino, its “tone” library, and a speaker that is simply held up to the phone that the call will be placed on.