diff --git a/android/android.js b/android/android.js
index ac645287..7a9ac3f4 100644
--- a/android/android.js
+++ b/android/android.js
@@ -1,6 +1,21 @@
 /* global window */
 
-window.MAXFILESIZE = 1024 * 1024 * 1024 * 2;
+window.LIMITS = {
+  ANON: {
+    MAX_FILE_SIZE: 1024 * 1024 * 1024 * 2,
+    MAX_DOWNLOADS: 32,
+    MAX_EXPIRE_SECONDS: 604800
+  },
+  MAX_FILE_SIZE: 1024 * 1024 * 1024 * 2,
+  MAX_DOWNLOADS: 32,
+  MAX_EXPIRE_SECONDS: 604800,
+  MAX_FILES_PER_ARCHIVE: 32,
+  MAX_ARCHIVES_PER_USER: 32
+};
+
+window.DEFAULTS = {
+  EXPIRE_SECONDS: 3600
+};
 
 const choo = require('choo');
 const app = choo();
@@ -11,4 +26,6 @@ app.use(require('./stores/intents').default);
 app.route('/', require('./pages/home').default);
 app.route('/upload', require('./pages/upload').default);
 app.route('/share/:id', require('./pages/share').default);
+app.route('/preferences', require('./pages/preferences').default);
+app.route('/android/app/src/main/assets', require('./pages/home').default);
 app.mount('body');
diff --git a/android/app/app.iml b/android/app/app.iml
index 4554de11..42cb679c 100644
--- a/android/app/app.iml
+++ b/android/app/app.iml
@@ -22,14 +22,13 @@
       </configuration>
     </facet>
     <facet type="kotlin-language" name="Kotlin">
-      <configuration version="3" platform="JVM 1.8" useProjectSettings="false">
+      <configuration version="3" platform="JVM 1.6" useProjectSettings="false">
         <compilerSettings />
         <compilerArguments>
           <option name="destination" value="$MODULE_DIR$/build/tmp/kotlin-classes/debug" />
           <option name="noStdlib" value="true" />
           <option name="noReflect" value="true" />
           <option name="moduleName" value="app_debug" />
-          <option name="jvmTarget" value="1.8" />
           <option name="addCompilerBuiltIns" value="true" />
           <option name="loadBuiltInsFromDependencies" value="true" />
           <option name="languageVersion" value="1.2" />
@@ -126,7 +125,6 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-main-apk-res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaPrecompile" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifest-checker" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/prebuild" />
diff --git a/android/app/src/main/assets/index.css b/android/app/src/main/assets/index.css
index 34bb9c40..11751781 100644
--- a/android/app/src/main/assets/index.css
+++ b/android/app/src/main/assets/index.css
@@ -102,3 +102,7 @@ body {
 .cancel {
   text-align: right;
 }
+
+#preferences {
+  text-align: left;
+}
diff --git a/android/pages/home.js b/android/pages/home.js
index 9585430f..93df598e 100644
--- a/android/pages/home.js
+++ b/android/pages/home.js
@@ -1,6 +1,15 @@
 const html = require('choo/html');
 
 export default function mainPage(state, emit) {
+  if (window.location.pathname === '/android/app/src/main/assets/') {
+    // Hack: For debugging the android app in a web browser from
+    // http://0.0.0.0:8080/android/app/src/main/assets/ after running webpack
+    state.prefix = '/android/app/src/main/assets';
+  }
+  function clickPreferences(event) {
+    event.preventDefault();
+    emit('pushState', '/preferences');
+  }
   function uploadFile(event) {
     event.preventDefault();
     const target = event.target;
@@ -16,6 +25,9 @@ export default function mainPage(state, emit) {
   return html`<body>
   <div id="white">
     <div id="centering">
+      <a href="#" onclick=${clickPreferences}>
+      preferenes
+      </a>
       <img src=${state.getAsset('encrypted-envelope.png')} />
       <h4>Private, Encrypted File Sharing</h4>
       <div>
diff --git a/android/pages/preferences.js b/android/pages/preferences.js
new file mode 100644
index 00000000..23bd4ec1
--- /dev/null
+++ b/android/pages/preferences.js
@@ -0,0 +1,36 @@
+const html = require('choo/html');
+
+import { setFileProtocolWssUrl, getFileProtocolWssUrl } from '../../app/api';
+
+export default function preferences(state, emit) {
+  const wssURL = getFileProtocolWssUrl();
+
+  function updateWssUrl(event) {
+    state.wssURL = event.target.value;
+    setFileProtocolWssUrl(state.wssURL);
+    emit('render');
+  }
+
+  function clickDone(event) {
+    event.preventDefault();
+    emit('pushState', '/');
+  }
+
+  return html`<body>
+  <div id="white">
+    <div id="preferences">
+      <a onclick=${clickDone} href="#">
+      done
+      </a>
+      <dl>
+        <dt>
+          wss url:
+        </dt>
+        <dd>
+          <input type="text" onchange=${updateWssUrl} value=${wssURL} />
+        </dd>
+      </dl>
+    </div>
+  </div>
+</body>`;
+}
diff --git a/android/stores/state.js b/android/stores/state.js
index e22291e0..4d91a2ad 100644
--- a/android/stores/state.js
+++ b/android/stores/state.js
@@ -1,11 +1,16 @@
 /* eslint-disable no-console */
 
+import User from '../../app/user';
+import storage from '../../app/storage';
+
 export default function initialState(state, emitter) {
   const files = [];
 
   Object.assign(state, {
+    prefix: '/android_asset',
+    user: new User(undefined, storage),
     getAsset(name) {
-      return `/android_asset/${name}`;
+      return `${state.prefix}/${name}`;
     },
     translate: (...toTranslate) => {
       return toTranslate.map(o => JSON.stringify(o)).toString();
diff --git a/app/api.js b/app/api.js
index 1d3877ef..ad2b735f 100644
--- a/app/api.js
+++ b/app/api.js
@@ -1,6 +1,25 @@
 import { arrayToB64, b64ToArray, delay } from './utils';
 import { ECE_RECORD_SIZE } from './ece';
 
+let fileProtocolWssUrl = null;
+try {
+  fileProtocolWssUrl = localStorage.getItem('wssURL');
+} catch (e) {
+  // NOOP
+}
+if (!fileProtocolWssUrl) {
+  fileProtocolWssUrl = 'wss://send2.dev.lcip.org/api/ws';
+}
+
+export function setFileProtocolWssUrl(url) {
+  localStorage && localStorage.setItem('wssURL', url);
+  fileProtocolWssUrl = url;
+}
+
+export function getFileProtocolWssUrl() {
+  return fileProtocolWssUrl;
+}
+
 function post(obj, bearerToken) {
   const h = {
     'Content-Type': 'application/json'
@@ -147,7 +166,7 @@ async function upload(
   const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
   const endpoint =
     window.location.protocol === 'file:'
-      ? 'wss://send2.dev.lcip.org/api/ws'
+      ? fileProtocolWssUrl
       : `${protocol}//${host}${port ? ':' : ''}${port}/api/ws`;
 
   const ws = await asyncInitWebSocket(endpoint);
