diff --git a/android/README b/android/README
index 81cd416107..2b1bd2ab6c 100644
--- a/android/README
+++ b/android/README
@@ -20,16 +20,10 @@ Use this as your build folder, using '../tools/configure' etc.
     $ ../tools/configure # type 200, then chose A for android and your screen resolution
     $ make
 
-After the build finished, build the zip file:
-    $ make zip
-
-Create a debug signing key:
-    $ keytool -genkey -alias androiddebugkey -keystore $HOME/.android/debug.keystore -storepass android -keypass android -validity 365 -dname "CN=Android Debug,O=Android,C=US"
-
-Then, you can create a Rockbox.apk which ends up in bin/
+After the build finished, build the apk file:
     $ make apk
 
-You can install that on the device:
+You can install that on your device or emulator with the following command:
     $ $ANDROID_SDK_PATH/tools/adb install -r bin/Rockbox.apk
 
 
diff --git a/android/android.make b/android/android.make
index 16fdb12e45..8cb52bbbba 100644
--- a/android/android.make
+++ b/android/android.make
@@ -19,17 +19,18 @@ PACKAGE_PATH=org/rockbox
 ANDROID_DIR=$(ROOTDIR)/android
 BINLIB_DIR=$(BUILDDIR)/libs/armeabi
 
-
 java2class = $(addsuffix .class,$(basename $(subst $(ANDROID_DIR),$(BUILDDIR),$(1))))
 
+# API version
 ANDROID_PLATFORM_VERSION=8
-
 ANDROID_PLATFORM=$(ANDROID_SDK_PATH)/platforms/android-$(ANDROID_PLATFORM_VERSION)
+
+# android tools
 AAPT=$(ANDROID_PLATFORM)/tools/aapt
 DX=$(ANDROID_PLATFORM)/tools/dx
 APKBUILDER=$(ANDROID_SDK_PATH)/tools/apkbuilder
 ZIPALIGN=$(ANDROID_SDK_PATH)/tools/zipalign
-
+KEYSTORE=$(HOME)/.android/debug.keystore
 
 MANIFEST	:= $(ANDROID_DIR)/AndroidManifest.xml
 
@@ -53,17 +54,19 @@ DIRS		+= $(subst ___,data,$(_DIRS))
 DIRS		+= $(BUILDDIR)/libs/armeabi
 
 $(R_JAVA) $(AP_): $(MANIFEST)
-	$(call PRINTS,AAPT $(subst $(BUILDDIR)/,,$@))$(AAPT) package -f -m -J $(BUILDDIR)/gen -M $(MANIFEST) -S $(ANDROID_DIR)/res -I $(ANDROID_PLATFORM)/android.jar -F $(AP_)
+	$(call PRINTS,AAPT $(subst $(BUILDDIR)/,,$@))$(AAPT) package -f -m \
+		-J $(BUILDDIR)/gen -M $(MANIFEST) -S $(ANDROID_DIR)/res \
+		-I $(ANDROID_PLATFORM)/android.jar -F $(AP_)
 
 $(BUILDDIR)/bin/$(PACKAGE_PATH)/R.class: $(R_JAVA)
 	$(call PRINTS,JAVAC $(subst $(ROOTDIR)/,,$<))javac -d $(BUILDDIR)/bin \
-	-classpath $(ANDROID_PLATFORM)/android.jar:$(BUILDDIR)/bin -sourcepath \
-	$(ANDROID_DIR)/gen:$(ANDROID_DIR)/src $<
+		-classpath $(ANDROID_PLATFORM)/android.jar:$(BUILDDIR)/bin \
+		-sourcepath $(ANDROID_DIR)/gen:$(ANDROID_DIR)/src $<
 
 $(BUILDDIR)/bin/$(PACKAGE_PATH)/%.class: $(ANDROID_DIR)/src/$(PACKAGE_PATH)/%.java
 	$(call PRINTS,JAVAC $(subst $(ROOTDIR)/,,$<))javac -d $(BUILDDIR)/bin \
-	-classpath $(ANDROID_PLATFORM)/android.jar:$(BUILDDIR)/bin -sourcepath \
-	$(ANDROID_DIR)/gen:$(ANDROID_DIR)/src $<
+		-classpath $(ANDROID_PLATFORM)/android.jar:$(BUILDDIR)/bin \
+		-sourcepath $(ANDROID_DIR)/gen:$(ANDROID_DIR)/src $<
 
 $(DEX): $(R_OBJ) $(JAVA_OBJ)
 	$(call PRINTS,DX $(subst $(BUILDDIR)/,,$@))$(DX) --dex --output=$@ $(BUILDDIR)/bin
@@ -75,32 +78,36 @@ dex: $(DEX)
 $(BINLIB_DIR)/$(BINARY): $(BUILDDIR)/$(BINARY)
 	$(call PRINTS,CP $(BINARY))cp $^ $@
 
-$(BUILDDIR)/rockbox.zip:
+$(BUILDDIR)/rockbox.zip: zip
 
 $(BINLIB_DIR)/libmisc.so: $(BUILDDIR)/rockbox.zip
 	$(call PRINTS,CP rockbox.zip)cp $^ $@
 
 libs: $(LIBS)
 
-$(TEMP_APK): $(LIBS) $(DEX)
+$(TEMP_APK): $(DIRS) $(LIBS) $(DEX)
 	$(call PRINTS,APK $(subst $(BUILDDIR)/,,$@))$(APKBUILDER) $@ \
 	-u -z $(AP_) -f $(DEX) -nf $(BUILDDIR)/libs
 
-$(APK): $(TEMP_APK)
+$(KEYSTORE):
+	$(call PRINTS,KEYTOOL debug.keystore)keytool -genkey \
+		-alias androiddebugkey -keystore $@ \
+		-storepass android -keypass android -validity 365 \
+		-dname "CN=Android Debug,O=Android,C=US"
+
+$(APK): $(TEMP_APK) $(BUILDDIR)/rockbox.zip $(KEYSTORE)
 	$(SILENT)rm -f $@
 	$(call PRINTS,SIGN $(subst $(BUILDDIR)/,,$@))jarsigner \
-	-keystore "$(HOME)/.android/debug.keystore" -storepass "android" \
-	-keypass "android" -signedjar $(TEMP_APK2) $^ "androiddebugkey"
+		-keystore "$(KEYSTORE)" -storepass "android" -keypass "android" \
+		-signedjar $(TEMP_APK2) $(TEMP_APK) "androiddebugkey"
 	$(SILENT)$(ZIPALIGN) -v 4 $(TEMP_APK2) $@ > /dev/null
-	$(SILENT)rm $(TEMP_APK) $(TEMP_APK2)
 
 $(DIRS):
 	$(SILENT)mkdir -p $@
 
 dirs: $(DIRS)
 
-apk: $(DIRS) $(APK)
+apk: $(APK)
 
 clean::
 	$(SILENT)rm -f $(BUILDDIR)/bin/$(PACKAGE_PATH)/*.class $(R_JAVA) $(TEMP_APK) $(TEMP_APK2) $(APK) $(DEX) $(BUILDDIR)/_rockbox.zip $(AP_) $(LIBS)
-