If you go into your androids wifi settings you should find that there is already a default password there. If you don't know this password, you can go into the settings screen and set it to something that you can remember. However, you should automatically have open access for wifi to work.
It is basicly a wifi hotspot from an android device. It uses the mobile data on your phone and sends it through wifi so you can use your mobile data on your laptop/other wifi abled devices
You need to enter the password to access it. If you don't know the password, then you aren't authorised to use that hotspot.
if is a hotspot shouldn't have password
Yes, you can tether an Android tablet to a similar Android-powered phone...the phone will act as a wi-fi hotspot. Go to Settings>More..>Tethering & portable hotspot>Setup wi-fi hotspot. After setting up your phone, look at your tablet's wi-fi and see if it sees your phone's wifi address/username. Click it, and type in the password you had setup for the hotspot. Your tablet should then be connected together. Note that data rates from your carrier may apply when you tether.
You'll first need to get root access to your phone. Once root is enabled, install android-wifi-tether from the android market and you'll instantly have a free 3G mobile hotspot.
wifi is wireless internet ( you can get it on your ipod touch if you have one )
Every wifi router has a unique default password. This password is often (not always) found on a sticker on the router.
Connect to an unsecured Wi-Fi hotspot or connect to a secure Wi-Fi hotspot and know the password.
Yes, Android has Wi-Fi which you can use to connect with other Wi-Fi networks available, you can also tether your mobile Internet to create your own hotspot.
Yes, much to the dismay of your ISP, an Android device can be used for "Tethering" or as a mobile WiFi hotspot. Simply go Settings->Wireless & network settings -> Tethering & portable hotspot. EDIT: This only applies to Android 2.2 and above.
A Wifi hotpot allows for users who have electronics with Wifi capabilities to connect the Wifi without cost. A hotspot would be on that is known to have Wifi available.
It might be a default password which you can find in the manual for the router. If the router is not your you have to ask the router owner.