First Look At The Social Shin Megami Tensei Game, Devil Hunter Zero
Atlus has a social Shin Megami Tensei game for mobile phones
Shin Megami Tensei: Devil Hunter Sharpens Its Horns For November Release
Finally, Atlus revealed what they're using the Devil Hunter trademark for. Like Persona 3 Social it's a net game.
Is Devil Hunter A New Shin Megami Tensei Spinoff?
Perhaps, one of their internal teams is developing Devil Hunter. Atlus trademarked the term in Japan this past June.