Android Java Libraries in UE4 Game (OUYA SDK, Google Play Game Services, etc.)

I tried to compile GitHub - tgraupmann/UE4_Plugin_Cortex_App_Store and it doesn’t.
After all fixes on CPP i have:
====6/17/2016 1:15:13 PM====PERFORMING FINAL APK PACKAGE OPERATION================================================
MainFrameActions: Packaging (Android (ATC)): mono: Making .apk with Ant… (note: it’s safe to ignore javac obsolete warnings)
MainFrameActions: Packaging (Android (ATC)): mono: Duplicated project name in import. Project custom_rules defined first in /Users/AlekseiKanash/Projects/UE4_Plugin_Cortex_App_Store/ExampleProject/Intermediate/Android/APK/custom_rules.xml and again in /Users/AlekseiKanash/Projects/UE4_Plugin_Cortex_App_Store/ExampleProject/Intermediate/Android/APK/JavaLibs/g
oogle-play-services_lib_rev19/custom_rules.xml
MainFrameActions: Packaging (Android (ATC)): mono: [javac] warning: [options] source value 1.5 is obsolete and will be removed in a future release
MainFrameActions: Packaging (Android (ATC)): mono: [javac] warning: [options] target value 1.5 is obsolete and will be removed in a future release
MainFrameActions: Packaging (Android (ATC)): mono: [javac] warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
MainFrameActions: Packaging (Android (ATC)): mono: [javac] 3 warnings
MainFrameActions: Packaging (Android (ATC)): mono: Duplicated project name in import. Project custom_rules defined first in /Users/AlekseiKanash/Projects/UE4_Plugin_Cortex_App_Store/ExampleProject/Intermediate/Android/APK/custom_rules.xml and again in /Users/AlekseiKanash/Projects/UE4_Plugin_Cortex_App_Store/ExampleProject/Intermediate/Android/APK/JavaLibs/d
ownloader_library/custom_rules.xml
MainFrameActions: Packaging (Android (ATC)): mono: [javac] warning: [options] source value 1.5 is obsolete and will be removed in a future release
MainFrameActions: Packaging (Android (ATC)): mono: [javac] warning: [options] target value 1.5 is obsolete and will be removed in a future release
MainFrameActions: Packaging (Android (ATC)): mono: [javac] warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
MainFrameActions: Packaging (Android (ATC)): mono: [javac] 3 warnings
MainFrameActions: Packaging (Android (ATC)): mono:
MainFrameActions: Packaging (Android (ATC)): mono: BUILD FAILED
MainFrameActions: Packaging (Android (ATC)): mono: /Users/AlekseiKanash/NVPACK/android-sdk-macosx/tools/ant/build.xml:649: The following error occurred while executing this line:
MainFrameActions: Packaging (Android (ATC)): mono: /Users/AlekseiKanash/NVPACK/android-sdk-macosx/tools/ant/build.xml:694: null returned: 1
MainFrameActions: Packaging (Android (ATC)): mono:
MainFrameActions: Packaging (Android (ATC)): mono: Total time: 2 seconds
MainFrameActions: Packaging (Android (ATC)): mono: UnrealBuildTool Exception: ERROR: /bin/sh failed with args -c ‘"/Users/AlekseiKanash/NVPACK/apache-ant-1.9.7/bin/ant" -quiet debug’
MainFrameActions: Packaging (Android (ATC)): CommandUtils.Run: Run: Took 6.539012s to run mono, ExitCode=5

What does it means? Help please.