diff --git a/client/src/components/privacy_policy.tsx b/client/src/components/privacy_policy.tsx
index 7038485..03ac0f4 100644
--- a/client/src/components/privacy_policy.tsx
+++ b/client/src/components/privacy_policy.tsx
@@ -48,14 +48,14 @@ export const PrivacyPolicy: React.FC = () => {
   const handleOpen = () => setOpen(true)
   const handleClose = () => setOpen(false)
   return (
-    <span>
+    <>
       <div className="privacy" onClick={handleOpen} title="Privacy Policy &amp; Impressum">
         <FontAwesomeIcon icon={faShield} />
         <p className="p1">legal</p>
         <p className="p2">notes</p>
       </div>
       {open ? <PrivacyPolicyPopup handleClose={handleClose} /> : null}
-    </span>
+    </>
   )
 }
 
diff --git a/client/src/components/welcome.css b/client/src/components/welcome.css
index 595bed4..26ed0e8 100644
--- a/client/src/components/welcome.css
+++ b/client/src/components/welcome.css
@@ -115,7 +115,7 @@ svg .disabled {
   height: 40px;
   font-size: 25px;
   border-radius: 20px;
-  position: absolute;
+  position: fixed;
   right: 10px;
   bottom: 10px;
   display: flex;
@@ -230,3 +230,27 @@ svg .disabled {
   text-decoration: underline dotted;
 
 }
+
+.mobile-nav {
+  padding-top: .5em;
+  padding-bottom: .5em;
+  position:relative;
+  height: 3em;
+}
+
+.mobile-nav .btn-next, .mobile-nav .btn-previous {
+  position: absolute;
+  margin: 0;
+}
+
+.mobile-nav .btn-previous {
+  left: 0;
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.mobile-nav .btn-next {
+  right: 0;
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
diff --git a/client/src/components/welcome.tsx b/client/src/components/welcome.tsx
index 74bbea9..9a0a1d6 100644
--- a/client/src/components/welcome.tsx
+++ b/client/src/components/welcome.tsx
@@ -9,7 +9,7 @@ import cytoscape, { LayoutOptions } from 'cytoscape'
 import klay from 'cytoscape-klay';
 import './welcome.css'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
-import { faGlobe, faHome, faCircleInfo, faArrowRight, faArrowLeft, faShield, faRotateLeft } from '@fortawesome/free-solid-svg-icons'
+import { faGlobe, faBook, faHome, faCircleInfo, faArrowRight, faArrowLeft, faShield, faRotateLeft } from '@fortawesome/free-solid-svg-icons'
 import { GameIdContext } from '../app';
 import { selectCompleted, selectDifficulty } from '../state/progress';
 import { useGetGameInfoQuery, useLoadInventoryOverviewQuery } from '../state/api';
@@ -19,6 +19,7 @@ import {PrivacyPolicy} from './privacy_policy';
 import { Button } from './button';
 import { Documentation, Inventory } from './inventory';
 import { store } from '../state/store';
+import { useWindowDimensions } from '../window_width';
 
 cytoscape.use( klay );
 
@@ -59,7 +60,14 @@ function LevelIcon({ worldId, levelId, position, completed, available }) {
 function Welcome() {
   const navigate = useNavigate();
 
-  const [mobileLayout, setModileLayout] = useState(false)
+
+  // TODO: Make mobileLayout be changeable in settings
+  // TODO: Handle resize Events
+  const {width, height} = useWindowDimensions()
+  const [mobileLayout, setModileLayout] = useState(width < 800)
+
+  /** Only for mobile layout */
+  const [pageNumber, setPageNumber] = useState(0)
 
   const gameId = React.useContext(GameIdContext)
   const gameInfo = useGetGameInfoQuery({game: gameId})
@@ -184,13 +192,67 @@ function Welcome() {
 
   let dx = bounds ? s*(bounds.x2 - bounds.x1) + 2*padding : null
 
-  return <div className="app-content ">
+  // TODO: Pack the three columns into components, so we dont need to
+  // copy them for mobile layout
+  return <div className="app-content">
   { gameInfo.isLoading?
     <Box display="flex" alignItems="center" justifyContent="center" sx={{ height: "calc(100vh - 64px)" }}>
       <CircularProgress />
     </Box>
     : mobileLayout ?
-      <></>
+      (pageNumber == 0 ?
+        <div className="column">
+          <div className="mobile-nav">
+            <Button className="btn btn-previous" to="/" title="back to games selection">
+              <FontAwesomeIcon icon={faArrowLeft} />&nbsp;<FontAwesomeIcon icon={faGlobe} />
+            </Button>
+            <Button className="btn btn-next" to=""
+                title="show inventory" onClick={() => {setPageNumber(1)}}>
+              Game&nbsp;<FontAwesomeIcon icon={faArrowRight}/>
+            </Button>
+          </div>
+          <Typography variant="body1" component="div" className="welcome-text">
+            <Markdown>{gameInfo.data?.introduction}</Markdown>
+          </Typography>
+        </div>
+        : pageNumber == 1 ?
+        <div className="column">
+          <div className="mobile-nav">
+            <Button className="btn btn-previous" to=""
+                title="back to introduction" onClick={() => {setPageNumber(0)}}>
+              <FontAwesomeIcon icon={faArrowLeft}/>&nbsp;Intro
+            </Button>
+            <Button className="btn btn-next" to=""
+                title="show inventory" onClick={() => {setPageNumber(2)}}>
+              <FontAwesomeIcon icon={faBook}/>&nbsp;<FontAwesomeIcon icon={faArrowRight}/>
+            </Button>
+          </div>
+          <WorldSelectionMenu />
+            <svg xmlns="http://www.w3.org/2000/svg" xmlnsXlink="http://www.w3.org/1999/xlink"
+              width={bounds ? `${ds * dx}` : ''}
+                viewBox={bounds ? `${s*bounds.x1 - padding} ${s*bounds.y1 - padding} ${dx} ${s*(bounds.y2 - bounds.y1) + 2 * padding}` : ''}
+                className="world-selection"
+              >
+              {svgElements}
+            </svg>
+        </div>
+        :
+        <div className="inventory-panel">
+          <div className="mobile-nav">
+            <Button className="btn btn-previous" to=""
+                title="back to introduction" onClick={() => {setPageNumber(1)}}>
+              <FontAwesomeIcon icon={faArrowLeft} />&nbsp;Game
+            </Button>
+          </div>
+          {<>
+            {inventoryDoc ?
+              <Documentation name={inventoryDoc.name} type={inventoryDoc.type} handleClose={closeInventoryDoc}/>
+              :
+              <Inventory levelInfo={inventory.data} openDoc={openInventoryDoc} enableAll={true}/>
+            }
+          </>}
+        </div>
+      )
       :
       <Split className="welcome" minSize={0} snapOffset={200}  sizes={[40, 35, 25]}>
         <div className="column">
@@ -220,7 +282,7 @@ function Welcome() {
         </div>
       </Split>
   }
-    <PrivacyPolicy />
+  <PrivacyPolicy />
   </div>
 }
 
diff --git a/client/src/components/world_selection_menu.css b/client/src/components/world_selection_menu.css
index 806cb2a..5cf54fb 100644
--- a/client/src/components/world_selection_menu.css
+++ b/client/src/components/world_selection_menu.css
@@ -28,7 +28,7 @@
 }
 
 /* Test for mobile `title`s */
-@media (pointer: coarse), (hover: none) {
+/* @media (pointer: coarse), (hover: none) {
   [title] {
     position: relative;
     display: inline-flex;
@@ -44,4 +44,4 @@
     width: fit-content;
     padding: 3px;
   }
-}
+} */
diff --git a/client/src/window_width.tsx b/client/src/window_width.tsx
new file mode 100644
index 0000000..9e8b484
--- /dev/null
+++ b/client/src/window_width.tsx
@@ -0,0 +1,21 @@
+import {useState, useEffect} from 'react'
+
+function getWindowDimensions() {
+  const {innerWidth: width, innerHeight: height } = window
+  return {width, height}
+}
+
+export function useWindowDimensions() {
+  const [windowDimensions, setWindowDimensions] = useState(getWindowDimensions())
+
+  useEffect(() => {
+    function handleResize() {
+      setWindowDimensions(getWindowDimensions())
+    }
+    window.addEventListener('resize', handleResize)
+    return () => window.removeEventListener('resize', handleResize)
+
+  }, [])
+
+  return windowDimensions
+}