diff --git a/app/src/main/java/xyz/quaver/pupil/MainActivity.kt b/app/src/main/java/xyz/quaver/pupil/MainActivity.kt
index bc553459..194bfb15 100644
--- a/app/src/main/java/xyz/quaver/pupil/MainActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/MainActivity.kt
@@ -101,7 +101,12 @@ class MainActivity : AppCompatActivity() {
                         fetchGalleries(query)
                     }
                     R.id.main_drawer_help -> {
+                        AlertDialog.Builder(this@MainActivity).apply {
+                            title = getString(R.string.help_dialog_title)
+                            setMessage(R.string.help_dialog_message)
 
+                            setPositiveButton(android.R.string.ok) { _, _ -> }
+                        }.show()
                     }
                     R.id.main_drawer_github -> {
                         startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.github))))
@@ -110,9 +115,7 @@ class MainActivity : AppCompatActivity() {
                         startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.home_page))))
                     }
                     R.id.main_drawer_email -> {
-                        AlertDialog.Builder(this@MainActivity).apply {
-
-                        }.show()
+                        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.email))))
                     }
                 }
                 loadBlocks()
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 58f020d3..d9519336 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -41,4 +41,6 @@
     <string name="main_drawer_group_contact_help">ヘルプ</string>
     <string name="main_drawer_group_contact_github">Github</string>
     <string name="main_drawer_group_contact_email">メールを送る</string>
+    <string name="help_dialog_title">準備中</string>
+    <string name="help_dialog_message">準備中です。</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 86a64d30..1ecefb30 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -41,4 +41,6 @@
     <string name="main_drawer_group_contact_help">도움말</string>
     <string name="main_drawer_group_contact_homepage">홈페이지</string>
     <string name="main_drawer_group_contact_title">문의</string>
+    <string name="help_dialog_title">준비 중</string>
+    <string name="help_dialog_message">준비중입니다.\n만화 화면에서 사진을 길게 누르면 스크롤 방식이 바뀝니다. 알고 계셨나요? :)</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index df8884ca..551b9f54 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -5,8 +5,8 @@
     <string name="release_name" translatable="false">Pupil-v(\\d+\\.)+\\d+\\.apk</string>
 
     <string name="home_page" translatable="false">https://tom5079.github.io/Pupil</string>
-    <string name="github" translatable="false">https://github.com/tom5079/Pupil-issue</string>
-    <string name="email" translatable="false">pupil.hentai@gmail.com</string>
+    <string name="github" translatable="false">https://github.com/tom5079/Pupil-issue/issues/new/choose</string>
+    <string name="email" translatable="false">mailto:pupil.hentai@gmail.com</string>
 
     <string name="main_settings" translatable="false">Settings</string>
     <string name="galleryblock_thumbnail_description" translatable="false">Thumbnail</string>
@@ -33,6 +33,9 @@
     <string name="main_drawer_group_contact_github">Visit github</string>
     <string name="main_drawer_group_contact_email">Email me!</string>
 
+    <string name="help_dialog_title">WIP</string>
+    <string name="help_dialog_message">While in progress!\nOne thing might you don\'t know:\nLong tap an image in reader will change scrolling mode! Go try it :)</string>
+
     <string name="update_title">Update available</string>
     <string name="update_download_started">Download started</string>
     <string name="update_notification_description">Downloading apk&#8230;</string>