A:AnswerTo use the google Play Store you will need an account. You will want this because it allows you to install apps. I would recommend creating a new free gmail account and not using your own account.
A:AnswerNo, this does not have a built-in timer, however, it has powerful parental controls, letting you set content restrictions and time limits for your kids.
A:AnswerIt will work quite well with Skype if you have Wi-Fi.
The procedure for connecting to Wi-Fi is typical for an Android device, so the degree of difficulty for that depends on how comfortable you are with Android devices.