In fact, T-Mobile customers can now download the FamilyWhere app for Android which will help parents monitor the location of their kids. Aside from being able to know the exact location of your child at any given time, it'll even send you notifications via text messages, email, or through a web interface. So if you want to play Big Brother with your kids, be sure to download and install the application from the Android Market.
Unfortunately, T-Mobile does not list the subscription fee that's required with the service, but should you worry about it when you can get peace of mind knowing the location of your child?
source: PR Newswire