diff --git a/build-specs/Frameworks/prison-AndroidQt5.11.yaml b/build-specs/Frameworks/prison-AndroidQt5.11.yaml
new file mode 100644
--- /dev/null
+++ b/build-specs/Frameworks/prison-AndroidQt5.11.yaml
@@ -0,0 +1,2 @@
+kf5-qt5:
+  "externalDependencies": "/opt/helpers/build-cmake libqrencode https://github.com/fukuchi/libqrencode.git -DWITH_TOOLS=OFF"
diff --git a/local-metadata/project-ignore-rules.yaml b/local-metadata/project-ignore-rules.yaml
--- a/local-metadata/project-ignore-rules.yaml
+++ b/local-metadata/project-ignore-rules.yaml
@@ -58,7 +58,6 @@
 - 'frameworks/kdewebkit' # we don't have QtWebKitWidgets on the image
 
 # to look into:
-- 'frameworks/prison' # Needs qrencode and dmtx
 - 'kde/kdegames/libkdegames' # needs openal
 - 'kde/kdegraphics/libs/libkexiv2' #has exiv2 external dependency
 - 'frameworks/kfilemetadata' # FIXME needs #include <sys/xattr.h> which can't be found ATM
diff --git a/system-images/android/sdk/build-generic b/system-images/android/sdk/build-generic
--- a/system-images/android/sdk/build-generic
+++ b/system-images/android/sdk/build-generic
@@ -2,6 +2,17 @@
 set -e
 # trap 'err_report echo "error: ${BASH_SOURCE}":"${LINENO}"' exit 1
 
+function buildExternalDependencies
+{
+    deps=$(python3 ci-tooling/helpers/getsetting.py --project $1 --product $2 --platform AndroidQt5.11 --key externalDependencies)
+    if [[ "$deps" ]]; then
+        echo "running: $deps"
+        $deps
+    else
+        echo "No dependencies"
+    fi
+}
+
 package=$1
 shift
 
@@ -36,6 +47,8 @@
         continue
     fi
 
+    buildExternalDependencies $a Frameworks
+
     arguments=$(python3 ci-tooling/helpers/getsetting.py --project $a --product Frameworks --platform AndroidQt5.11 --key cmake-options)
     build-cmake $a kde:$a $arguments -DBUILD_TESTING=OFF -GNinja $EXTRA
 done
@@ -64,8 +77,10 @@
     fi
     targetname=`python3 $DIR/target-from-appdata.py $appdataFile | tr '\n' ';' | head -c -1`
 fi
-arguments=$(python3 ci-tooling/helpers/getsetting.py --project $package --product Applications --platform AndroidQt5.11 --key cmake-options)
 
+buildExternalDependencies $package Applications
+
+arguments=$(python3 ci-tooling/helpers/getsetting.py --project $package --product Applications --platform AndroidQt5.11 --key cmake-options)
 build-cmake $package kde:$package -DQTANDROID_EXPORTED_TARGET=$targetname $EXTRA $arguments $@
 pushd build/$package