diff --git a/README.android.md b/README.android.md
index 078196b..143db8c 100644
--- a/README.android.md
+++ b/README.android.md
@@ -31,13 +31,8 @@ Make sure environment is properly configured:
 
 You should be able to build now:
 
-	; cd uxn; ./build --no-run                 # need boot.rom to be included
-
-	; cd src/android; ./gradlew assembleDebug # now the APK
-	............
-	BUILD SUCCESSFUL in 111s
-	31 actionable tasks: 3 executed, 28 up-to-date
-
+	; ./prepare-android.sh
+	; cd src/android; ./gradlew assembleDebug
 	; find app -name *.apk
 	app/build/outputs/apk/debug/app-debug.apk
 
diff --git a/prepare-android.sh b/prepare-android.sh
new file mode 100755
index 0000000..8736bc0
--- /dev/null
+++ b/prepare-android.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+# need launcher.rom to be included
+./build.sh --no-run
+# duplicate? already have a piano
+rm -f bin/asma-piano.rom
+
+# get more roms
+curl https://rabbits.srht.site/uxn-rompack.tar.gz | tar -C bin -xzf -
+mv bin/uxn/*.rom bin
+rm -r bin/uxn