I'm gonna ask you something.
Have you ever wished for onii-chan sounds for your mobile phone?
If your answer is YES then I present you Onii-chan Soundboard .!!
This application offers a unique collection of short, quick and funny onii-chan sounds to use in almost any situation. You can assign the voice clips as ringtones, notification sounds or alarms. Besides, you can even share them with your friends and have a laugh!!