I used to tether my Nexus 7 via BT to my iPhone. The controls were in the same screen as the wifi controls. So look for a used Android phone with a screen size that you want?

The latest version, which is currently 3.1-pre105, contains fixes for both of these: Bluetooth On Start There is now a setting to turn off automatic disabling of Bluetooth every time the app starts.

Although the iPhone has built-in Bluetooth technology, wireless file transfer capabilities are limited by its operating system. To transfer files wirelessly between an iPhone and an Android device ...

I'm running into a weird situation where when I connect my work iMac (10.6.7) to my iPhone 3GS (4.3.3) using Bluetooth tethering, within 5-10 seconds the connection drops. If I'm tethering my iPad ...

How to use Android's Instant Tethering feature You can forget using sketchy Wi-Fi networks with your Chromebook thanks to this handy Android feature.