update README

jsk_naoqi_robot/jsk_201504_miraikan/README.md

@@ -1,18 +1,34 @@
 jsk_201504_miraikan
 ===================
 
-how to run demo
---------------
+What is this?
+-------------
 
-For Japanese and English demo,
-Please confirm the language (Japanese/ English). You can change it from Pepper's tablet -> setup. (Note: This function is under construction.)
+Pepper@JSK introduces him/ herself.  
+Pepper can speak three languages (Japanese, Chinese and English).  
 
-For Chinese demo,
-please move mp3 files in file directory you want Pepper to speak under ``` /home/nao/audio_file . If not, please make ```audio_file``` folder in ```/home/nao/```. You can use ```scp <file> nao@<Pepper IP>:/home/nao/audio_file/```.
+How to run demo?
+----------------
+
+- (Optional) Preparation for Chinese demo
+
+Please move mp3 files under `/jsk_201504_miraikan/file` to `/home/nao/audio_file` inside Pepper's PC.
+You can log in to Pepper's PC by `ssh nao@<Pepper's IP>`.
+If there is no `audio_file` folder, please make it under `/home/nao/`.
+You can move mp3 files as follows:
+```
+roscd jsk_201504_miraikan
+cd file
+scp <file name>  nao@<Pepper IP>:/home/nao/audio_file/
+```
+
+- Please execute these for all languages
 
 ```
 roslaunch jsk_pepper_startup jsk_pepper_startup.launch
 roslaunch nao_interaction_launchers nao_audio_interface.launch nao_ip:=<Pepper's IP>
 roseus mirai-demo-2015-0413.l
-demo (:en, :chi)
+demo ; Japanese
+demo :en ; English
+demo :chi ; Chinese
 ```