Use APKPure App
Get Wifi Hotspot Settings old version APK for Android
Faites vos achats sur Google Play sur le Web, et profitez-en instantanément sur votre téléphone ou votre tablette Android, sans synchronisation.
Add this application to your homescreen for a shortcut to your phone's wifi hotspot and tether settings. Please note this is only a shortcut, not a widget as its not possible to make one under the 2.2 SDK AFAIK.
v1.01 new icon, many thanks to Johann and his brother!