diff --git a/locales/ja.yml b/locales/ja.yml
index 74d36ddb6e..40527adcf3 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -552,6 +552,9 @@ mobile/views/components/notifications.vue:
 
 mobile/views/components/post-form.vue:
   submit: "投稿"
+  reply: "返信"
+  renote: "Renote"
+  renote-placeholder: "この投稿を引用... (オプション)"
   reply-placeholder: "この投稿への返信..."
   note-placeholder: "いまどうしてる？"
 
diff --git a/src/client/app/mobile/api/post.ts b/src/client/app/mobile/api/post.ts
index 72919c6505..0634c52642 100644
--- a/src/client/app/mobile/api/post.ts
+++ b/src/client/app/mobile/api/post.ts
@@ -1,43 +1,24 @@
 import PostForm from '../views/components/post-form.vue';
-//import RenoteForm from '../views/components/renote-form.vue';
-import getNoteSummary from '../../../../renderers/get-note-summary';
 
 export default (os) => (opts) => {
 	const o = opts || {};
 
-	if (o.renote) {
-		/*const vm = new RenoteForm({
-			propsData: {
-				renote: o.renote
-			}
-		}).$mount();
-		vm.$once('cancel', recover);
-		vm.$once('note', recover);
-		document.body.appendChild(vm.$el);*/
+	const app = document.getElementById('app');
+	app.style.display = 'none';
 
-		const text = window.prompt(`「${getNoteSummary(o.renote)}」をRenote`);
-		if (text == null) return;
-		os.api('notes/create', {
-			renoteId: o.renote.id,
-			text: text == '' ? undefined : text
-		});
-	} else {
-		const app = document.getElementById('app');
-		app.style.display = 'none';
-
-		function recover() {
-			app.style.display = 'block';
-		}
-
-		const vm = new PostForm({
-			parent: os.app,
-			propsData: {
-				reply: o.reply
-			}
-		}).$mount();
-		vm.$once('cancel', recover);
-		vm.$once('note', recover);
-		document.body.appendChild(vm.$el);
-		(vm as any).focus();
+	function recover() {
+		app.style.display = 'block';
 	}
+
+	const vm = new PostForm({
+		parent: os.app,
+		propsData: {
+			reply: o.reply,
+			renote: o.renote
+		}
+	}).$mount();
+	vm.$once('cancel', recover);
+	vm.$once('note', recover);
+	document.body.appendChild(vm.$el);
+	(vm as any).focus();
 };
diff --git a/src/client/app/mobile/views/components/post-form.vue b/src/client/app/mobile/views/components/post-form.vue
index 6d80b3046b..0bb498e5d7 100644
--- a/src/client/app/mobile/views/components/post-form.vue
+++ b/src/client/app/mobile/views/components/post-form.vue
@@ -5,17 +5,22 @@
 		<div>
 			<span class="text-count" :class="{ over: text.length > 1000 }">{{ 1000 - text.length }}</span>
 			<span class="geo" v-if="geo">%fa:map-marker-alt%</span>
-			<button class="submit" :disabled="posting" @click="post">{{ reply ? '返信' : '%i18n:!@submit%' }}</button>
+			<button class="submit" :disabled="posting" @click="post">
+				<template v-if="reply">%i18n:@reply%</template>
+				<template v-else-if="renote">%i18n:@renote%</template>
+				<template v-else>%i18n:@submit%</template>
+			</button>
 		</div>
 	</header>
 	<div class="form">
 		<mk-note-preview v-if="reply" :note="reply"/>
+		<mk-note-preview v-if="renote" :note="renote"/>
 		<div v-if="visibility == 'specified'" class="visibleUsers">
 			<span v-for="u in visibleUsers">{{ u | userName }}<a @click="removeVisibleUser(u)">[x]</a></span>
 			<a @click="addVisibleUser">+ユーザーを追加</a>
 		</div>
 		<input v-show="useCw" v-model="cw" placeholder="内容への注釈 (オプション)">
-		<textarea v-model="text" ref="text" :disabled="posting" :placeholder="reply ? '%i18n:!@reply-placeholder%' : '%i18n:!@note-placeholder%'"></textarea>
+		<textarea v-model="text" ref="text" :disabled="posting" :placeholder="reply ? '%i18n:!@reply-placeholder%' : renote ? '%i18n:!@renote-placeholder%' : '%i18n:!@note-placeholder%'"></textarea>
 		<div class="attaches" v-show="files.length != 0">
 			<x-draggable class="files" :list="files" :options="{ animation: 150 }">
 				<div class="file" v-for="file in files" :key="file.id">
@@ -51,7 +56,7 @@ export default Vue.extend({
 		MkVisibilityChooser
 	},
 
-	props: ['reply'],
+	props: ['reply', 'renote'],
 
 	data() {
 		return {
@@ -177,6 +182,7 @@ export default Vue.extend({
 				text: this.text == '' ? undefined : this.text,
 				mediaIds: this.files.length > 0 ? this.files.map(f => f.id) : undefined,
 				replyId: this.reply ? this.reply.id : undefined,
+				renoteId: this.renote ? this.renote.id : undefined,
 				poll: this.poll ? (this.$refs.poll as any).get() : undefined,
 				cw: this.useCw ? this.cw || '' : undefined,
 				geo: this.geo ? {