diff --git a/xwords4/android/scripts/build-all-variants.sh b/xwords4/android/scripts/build-all-variants.sh
new file mode 100755
index 000000000..d7ca7fa3b
--- /dev/null
+++ b/xwords4/android/scripts/build-all-variants.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -e -u
+
+usage() {
+	[ $# -gt 0 ] && echo "ERROR: $1"
+	echo "usage: $0 [--with-fdroid]"
+	echo "builds all variants except fdroid since that build will fail outside their system"
+	exit 1
+}
+
+VARIANTS="xw4 xw4d xw4dNoSMS"
+WD=$(cd $(dirname $0)/../ && pwd)
+
+while [ $# -gt 0 ]; do
+	case $1 in
+		--with-fdroid)
+			VARIANTS="$VARIANTS xw4fdroid"
+			;;
+		*)
+			usage "unexpected param $1"
+			;;
+	esac
+	shift
+done
+
+for VARIANT in $VARIANTS; do
+	echo "***** building $VARIANT *****"
+	VARIANT=$(echo ${VARIANT:0:1} | tr '[:lower:]' '[:upper:]')${VARIANT:1}
+	TARGET=as${VARIANT}Deb
+	(cd $WD && ./gradlew clean $TARGET)
+done