diff --git a/android/module.go b/android/module.go
index c2fa848..82a8067 100644
--- a/android/module.go
+++ b/android/module.go
@@ -19,6 +19,7 @@
 	"os"
 	"path"
 	"path/filepath"
+	"reflect"
 	"regexp"
 	"strings"
 	"text/scanner"
@@ -1326,7 +1327,64 @@
 }
 
 func (m *ModuleBase) AddJSONData(d *map[string]interface{}) {
-	(*d)["Android"] = map[string]interface{}{}
+	(*d)["Android"] = map[string]interface{}{
+		// Properties set in Blueprint or in blueprint of a defaults modules
+		"SetProperties": m.propertiesWithValues(),
+	}
+}
+
+type propInfo struct {
+	Name string
+	Type string
+}
+
+func (m *ModuleBase) propertiesWithValues() []propInfo {
+	var info []propInfo
+	props := m.GetProperties()
+
+	var propsWithValues func(name string, v reflect.Value)
+	propsWithValues = func(name string, v reflect.Value) {
+		kind := v.Kind()
+		switch kind {
+		case reflect.Ptr, reflect.Interface:
+			if v.IsNil() {
+				return
+			}
+			propsWithValues(name, v.Elem())
+		case reflect.Struct:
+			if v.IsZero() {
+				return
+			}
+			for i := 0; i < v.NumField(); i++ {
+				namePrefix := name
+				sTyp := v.Type().Field(i)
+				if proptools.ShouldSkipProperty(sTyp) {
+					continue
+				}
+				if name != "" && !strings.HasSuffix(namePrefix, ".") {
+					namePrefix += "."
+				}
+				if !proptools.IsEmbedded(sTyp) {
+					namePrefix += sTyp.Name
+				}
+				sVal := v.Field(i)
+				propsWithValues(namePrefix, sVal)
+			}
+		case reflect.Array, reflect.Slice:
+			if v.IsNil() {
+				return
+			}
+			elKind := v.Type().Elem().Kind()
+			info = append(info, propInfo{name, elKind.String() + " " + kind.String()})
+		default:
+			info = append(info, propInfo{name, kind.String()})
+		}
+	}
+
+	for _, p := range props {
+		propsWithValues("", reflect.ValueOf(p).Elem())
+	}
+	return info
 }
 
 func (m *ModuleBase) ComponentDepsMutator(BottomUpMutatorContext) {}
diff --git a/android/module_test.go b/android/module_test.go
index d9e2c87..c35e66e 100644
--- a/android/module_test.go
+++ b/android/module_test.go
@@ -615,3 +615,204 @@
 
 	return rules
 }
+
+type PropsTestModuleEmbedded struct {
+	Embedded_prop *string
+}
+
+type propsTestModule struct {
+	ModuleBase
+	DefaultableModuleBase
+	props struct {
+		A string `android:"arch_variant"`
+		B *bool
+		C []string
+	}
+	otherProps struct {
+		PropsTestModuleEmbedded
+
+		D      *int64
+		Nested struct {
+			E *string
+		}
+		F *string `blueprint:"mutated"`
+	}
+}
+
+func propsTestModuleFactory() Module {
+	module := &propsTestModule{}
+	module.AddProperties(&module.props, &module.otherProps)
+	InitAndroidArchModule(module, HostAndDeviceSupported, MultilibBoth)
+	InitDefaultableModule(module)
+	return module
+}
+
+type propsTestModuleDefaults struct {
+	ModuleBase
+	DefaultsModuleBase
+}
+
+func propsTestModuleDefaultsFactory() Module {
+	defaults := &propsTestModuleDefaults{}
+	module := propsTestModule{}
+	defaults.AddProperties(&module.props, &module.otherProps)
+	InitDefaultsModule(defaults)
+	return defaults
+}
+
+func (p *propsTestModule) GenerateAndroidBuildActions(ctx ModuleContext) {
+	str := "abc"
+	p.otherProps.F = &str
+}
+
+func TestUsedProperties(t *testing.T) {
+	testCases := []struct {
+		desc          string
+		bp            string
+		expectedProps []propInfo
+	}{
+		{
+			desc: "only name",
+			bp: `test {
+			name: "foo",
+		}
+	`,
+			expectedProps: []propInfo{
+				propInfo{"Name", "string"},
+			},
+		},
+		{
+			desc: "some props",
+			bp: `test {
+			name: "foo",
+			a: "abc",
+			b: true,
+			d: 123,
+		}
+	`,
+			expectedProps: []propInfo{
+				propInfo{"A", "string"},
+				propInfo{"B", "bool"},
+				propInfo{"D", "int64"},
+				propInfo{"Name", "string"},
+			},
+		},
+		{
+			desc: "unused non-pointer prop",
+			bp: `test {
+			name: "foo",
+			b: true,
+			d: 123,
+		}
+	`,
+			expectedProps: []propInfo{
+				// for non-pointer cannot distinguish between unused and intentionally set to empty
+				propInfo{"A", "string"},
+				propInfo{"B", "bool"},
+				propInfo{"D", "int64"},
+				propInfo{"Name", "string"},
+			},
+		},
+		{
+			desc: "nested props",
+			bp: `test {
+			name: "foo",
+			nested: {
+				e: "abc",
+			}
+		}
+	`,
+			expectedProps: []propInfo{
+				propInfo{"Nested.E", "string"},
+				propInfo{"Name", "string"},
+			},
+		},
+		{
+			desc: "arch props",
+			bp: `test {
+			name: "foo",
+			arch: {
+				x86_64: {
+					a: "abc",
+				},
+			}
+		}
+	`,
+			expectedProps: []propInfo{
+				propInfo{"Name", "string"},
+				propInfo{"Arch.X86_64.A", "string"},
+			},
+		},
+		{
+			desc: "embedded props",
+			bp: `test {
+			name: "foo",
+			embedded_prop: "a",
+		}
+	`,
+			expectedProps: []propInfo{
+				propInfo{"Embedded_prop", "string"},
+				propInfo{"Name", "string"},
+			},
+		},
+		{
+			desc: "defaults",
+			bp: `
+test_defaults {
+	name: "foo_defaults",
+	a: "a",
+	b: true,
+	embedded_prop:"a",
+	arch: {
+		x86_64: {
+			a: "a",
+		},
+	},
+}
+test {
+	name: "foo",
+	defaults: ["foo_defaults"],
+	c: ["a"],
+	nested: {
+		e: "d",
+	},
+	target: {
+		linux: {
+			a: "a",
+		},
+	},
+}
+	`,
+			expectedProps: []propInfo{
+				propInfo{"A", "string"},
+				propInfo{"B", "bool"},
+				propInfo{"C", "string slice"},
+				propInfo{"Embedded_prop", "string"},
+				propInfo{"Nested.E", "string"},
+				propInfo{"Name", "string"},
+				propInfo{"Arch.X86_64.A", "string"},
+				propInfo{"Target.Linux.A", "string"},
+				propInfo{"Defaults", "string slice"},
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.desc, func(t *testing.T) {
+			result := GroupFixturePreparers(
+				PrepareForTestWithAllowMissingDependencies,
+				PrepareForTestWithDefaults,
+				FixtureRegisterWithContext(func(ctx RegistrationContext) {
+					ctx.RegisterModuleType("test", propsTestModuleFactory)
+					ctx.RegisterModuleType("test_defaults", propsTestModuleDefaultsFactory)
+				}),
+				FixtureWithRootAndroidBp(tc.bp),
+			).RunTest(t)
+
+			foo := result.ModuleForTests("foo", "").Module().base()
+
+			AssertDeepEquals(t, "foo ", tc.expectedProps, foo.propertiesWithValues())
+
+		})
+	}
+}
diff --git a/java/droidstubs_test.go b/java/droidstubs_test.go
index 5738217..82ebba7 100644
--- a/java/droidstubs_test.go
+++ b/java/droidstubs_test.go
@@ -244,17 +244,14 @@
 	}
 	jsonData := map[string]interface{}{}
 	prebuiltStubsSources.AddJSONData(&jsonData)
-	if fmt.Sprint(jsonData) != fmt.Sprint(
+	expectedOut := []map[string]interface{}{
 		map[string]interface{}{
-			"Android": map[string]interface{}{},
-			"Actions": []map[string]interface{}{
-				map[string]interface{}{
-					"Inputs":  []string{},
-					"Outputs": []string{},
-				},
-			},
-		}) {
-		t.Errorf("The JSON data map isn't as expected %s.", jsonData)
+			"Inputs":  []string{},
+			"Outputs": []string{},
+		},
+	}
+	if !reflect.DeepEqual(jsonData["Actions"], expectedOut) {
+		t.Errorf("The JSON action data %#v isn't as expected %#v.", jsonData["Actions"], expectedOut)
 	}
 }