My favorites are Snapchat and BBM.

最爱Snapchat和黑莓信使（BBM）。

Before the age of iMessage and Facebook Messenger, BBM was the app to beat.

在 iMessage 和 Facebook Messenger 时代之前，BBM是一个强大的对手。

BBM was, that was a great time right there.

BBM 是， 那是一段美好的时光。