Capcom has announced that it has started work on developing a fifth Gyakuten Saiban/Ace Attorney game.
The developers made the announcement during a special 10th anniversary event celebrating the series.
No further details such as release date or even platform for Gyakuten Saiban 5 were announced, but Capcom did unveil a logo for the title:
At the event Capcom also announced iOS HD ports of the first three Ace Attorney games. An Android version is also said to be in the works.
Source: AnimeNewsNetwork

Jim Hargreaves
Surely you meant “no objection” ;)
Sympozium
10 years? what was the first O.o?
colmshan1990
On iOS you say?
I might download one then, see what the fuss is about…
Joe Dart
I think the first Phoenix Wright is actually available on iOS at the moment if you want to see what it’s all about.
colmshan1990
So it is.
iPhone only though…
I think I’ll wait for the iPad releases.
posem
i want this i want this i want this i want this i want this!!!!!!!
sg
can’t wait, i love all these game…i hope it come out on the lite.
yogdog
I’ve only played one of these games, can’t remember which but it was insane, very enjoyable as well.