diff --git a/project/jni/application/openttd-jgrpp/AndroidAppSettings.cfg b/project/jni/application/openttd-jgrpp/AndroidAppSettings.cfg
index 945873c62..3d6299171 100644
--- a/project/jni/application/openttd-jgrpp/AndroidAppSettings.cfg
+++ b/project/jni/application/openttd-jgrpp/AndroidAppSettings.cfg
@@ -7,10 +7,10 @@ AppName="OpenTTD JGR"
 AppFullName=org.openttd.jgrpp
 
 # Application version code (integer)
-AppVersionCode=021076
+AppVersionCode=021077
 
 # Application user-visible version name (string)
-AppVersionName="0.21.0.76"
+AppVersionName="0.21.0.77"
 
 # Specify path to download application data in zip archive in the form 'Description|URL|MirrorURL^Description2|URL2|MirrorURL2^...'
 # If you'll start Description with '!' symbol it will be enabled by default, other downloads should be selected by user from startup config menu
@@ -18,7 +18,7 @@ AppVersionName="0.21.0.76"
 # If the URL does not contain 'http://' it is treated as file from 'project/jni/application/src/AndroidData' dir -
 # these files are put inside .apk package by build system
 # You can specify Google Play expansion files in the form 'obb:main.12345' or 'obb:patch.12345' where 12345 is the app version, first associated with the file
-AppDataDownloadUrl="!!Data files - 20 Mb|openttd-data-1.7.1-3.zip.xz^!!Config file|:.openttd/openttd.cfg:openttd-1.4.0.30.cfg^!!MIDI music support (18 Mb)|timidity.zip.xz|http://sourceforge.net/projects/libsdl-android/files/timidity.zip.xz^!!Internationalization files|icudt59l.zip.xz|http://sourceforge.net/projects/libsdl-android/files/icudt59l.zip.xz^HD graphics (optional) - 220 Mb download|http://sourceforge.net/projects/libsdl-android/files/OpenTTD/abase-0.1.2-0.zip.xz/download|http://sourceforge.net/projects/libsdl-android/files/OpenTTD/zBase-v5588.zip.xz/download"
+AppDataDownloadUrl="!!Data files - 20 Mb|openttd-data-1.7.1-4.zip.xz^!!Config file|:.openttd/openttd.cfg:openttd-1.4.0.30.cfg^!!MIDI music support (18 Mb)|timidity.zip.xz|http://sourceforge.net/projects/libsdl-android/files/timidity.zip.xz^!!Internationalization files|icudt59l.zip.xz|http://sourceforge.net/projects/libsdl-android/files/icudt59l.zip.xz^HD graphics (optional) - 220 Mb download|http://sourceforge.net/projects/libsdl-android/files/OpenTTD/abase-0.1.2-0.zip.xz/download|http://sourceforge.net/projects/libsdl-android/files/OpenTTD/zBase-v5588.zip.xz/download"
 
 # Reset SDL config when updating application to the new version (y) / (n)
 ResetSdlConfigForThisVersion=n
diff --git a/project/jni/application/openttd-jgrpp/build-pc.sh b/project/jni/application/openttd-jgrpp/build-pc.sh
index 58f898790..7241931df 100755
--- a/project/jni/application/openttd-jgrpp/build-pc.sh
+++ b/project/jni/application/openttd-jgrpp/build-pc.sh
@@ -18,9 +18,9 @@ cd bin
 export LD_LIBRARY_PATH=/usr/local/lib
 
 if [ -z "$1" ]; then
-	./openttd -d 2 -r 854x480 -b 16bpp-simple -g opntitle.sav
+	./openttd -d 2 -r 854x480 -b 16bpp-simple # -g opntitle.sav
 else
-	#gdb -ex run --args \
-	valgrind --track-fds=yes --log-file=valgrind.log --leak-check=full --read-var-info=yes \
+	#valgrind --track-fds=yes --log-file=valgrind.log --leak-check=full --read-var-info=yes \
+	gdb -ex run --args \
 	./openttd -d 2 -r 854x480 -b 16bpp-simple # -g opntitle.sav
 fi
diff --git a/project/jni/application/openttd-jgrpp/pack-data.sh b/project/jni/application/openttd-jgrpp/pack-data.sh
index 688372ee3..beb79ba71 100755
--- a/project/jni/application/openttd-jgrpp/pack-data.sh
+++ b/project/jni/application/openttd-jgrpp/pack-data.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-VER=1.7.1-3
+VER=1.7.1-4
 
 cd data
 rm -f ../AndroidData/openttd-data-*.zip.xz ../AndroidData/openttd-data-*.zip