diff --git a/imagedumper_notmobile.go b/imagedumper.go
similarity index 88%
rename from imagedumper_notmobile.go
rename to imagedumper.go
index 8079542b1..6b241aa89 100644
--- a/imagedumper_notmobile.go
+++ b/imagedumper.go
@@ -12,14 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build !android && !ios
-// +build !android,!ios
-
 package ebiten
 
 import (
 	"fmt"
 	"os"
+	"path/filepath"
+	"runtime"
 	"time"
 
 	"github.com/hajimehoshi/ebiten/v2/internal/debug"
@@ -34,6 +33,14 @@ func datetimeForFilename() string {
 
 func takeScreenshot(screen *Image) error {
 	name := "screenshot_" + datetimeForFilename() + ".png"
+	// Use the home directory for mobiles as a provisional implementation.
+	if runtime.GOOS == "android" || runtime.GOOS == "ios" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return err
+		}
+		name = filepath.Join(home, name)
+	}
 	blackbg := !IsScreenTransparent()
 	dumpedName, err := screen.image.DumpScreenshot(name, blackbg)
 	if err != nil {
@@ -50,6 +57,14 @@ func dumpInternalImages() error {
 	if err != nil {
 		return err
 	}
+	// Use the home directory for mobiles as a provisional implementation.
+	if runtime.GOOS == "android" || runtime.GOOS == "ios" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return err
+		}
+		dumpedDir = filepath.Join(home, dumpedDir)
+	}
 	if _, err := fmt.Fprintf(os.Stderr, "Dumped the internal images at: %s\n", dumpedDir); err != nil {
 		return err
 	}
diff --git a/imagedumper_mobile.go b/imagedumper_mobile.go
deleted file mode 100644
index ff2451290..000000000
--- a/imagedumper_mobile.go
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2018 The Ebiten Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build android || ios
-// +build android ios
-
-package ebiten
-
-type imageDumper struct {
-}
-
-func (i *imageDumper) update() error {
-	// Do nothing
-	return nil
-}
-
-func (i *imageDumper) dump(screen *Image) error {
-	// Do nothing
-	return nil
-}