The project is stalled and has gone open source, so I grabbed the sources and did a couple layout fixes so that everything is aligned correctly on Nexus 4 (and hopefully all other xhdpi phones).
Any credit for the app goes to their original creators.
Get the APK here. It's compiled for Android 2.3.3+
http://www.pimentoso.com/uploads/MiSoundRecorder.1.4.apk
Screenshot from Nexus 4:
Original XDA thread:
http://forum.xda-developers.com/showthread.php?t=1752011