Which Android phones are fully compatible with Family Locator?

[sylfer]

I want to upgrade from a basic phone currently using Family Locator (Convoy), to a smart phone (Android). Is there any way to see which of the currently offered Android phones are fully compatible with the Family Locator service? The Family Locator FAQs only says to take your phone and see if the app is available in the Play store - but that's chicken-and-egg problem. I need to know the answer BEFORE I get the phone.

[pherson]

Then look it up by model. Smh