FoxFi, free-ish wifi hotspot on android

FoxFi is a free1 android app that lets you use your phone as a mobile hot spot without the $30 monthly fee. The days of having a land line of any sort at home may be numbered.

https://play.google.com/store/apps/details?id=com.foxfi

Footnotes:

1

up to a small byte limit, then you needed to pay $8 for the unlocked version.