Adult PC Game: Phone Behind Bars - v0.9 by PBBGames Archive

You’re in prison, and all you have is a mobile phone with only your wife on the contact list, ready to do whatever it takes to prove your innocence
Phone Behind Bars is a detective story told entirely through messaging between characters on a mobile phone.
You’ll need to rely on your closest allies for favors, and as the plot unfolds, these favors will grow increasingly complex and morally ambiguous. Would you dare to ask? And if your freedom were on the line?