I tried running it.
Process:               Yenten-Qt [1192]
Path:                  /Applications/Yenten-Qt.app/Contents/MacOS/Yenten-Qt
Identifier:            org.bitcoinfoundation.Yenten-Qt
Version:               1.3.1 (1.3.1)
Code Type:             X86-64 (Native)
Parent Process:        [1]
Responsible:           Yenten-Qt [1192]
User ID:               501

Date/Time:             2018-02-17 13:39:54.467 -0500
OS Version:            Mac OS X 10.13.3 (17D47)
Report Version:        12
Anonymous UUID:        52B52DED-A4D0-9E90-D059-045CC9C60D1D


Time Awake Since Boot: 68000 seconds

System Integrity Protection: disabled

Crashed Thread:        0

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    DYLD, [0x1] Library missing

Application Specific Information:
dyld: launch, loading dependent libraries

Dyld Error Message:
  Library not loaded: @loader_path/libboost_system-mt.dylib
  Referenced from: /Applications/Yenten-Qt.app/Contents/Frameworks/libboost_thread-mt.dylib
  Reason: image not found