It's in Japanese but I really don't think you need to understand the lang to play and beat it (I didn't!). The purpose is to escape from the house, to do so you will need to acquire some items and skills. just try it.
Really not that many people I know escaped from the house, but it didn't seem too difficult, anyway.
start with skill that looks like catching a ball
red button
press skill that looks like catching a ball
grab spear
choose skill swim
green button
press swim to swim up
grab lighter
choose skill throwing spear
press throw spear
choose skill looks like chin-ups
swim down
press yellow button
press green button
press yellow button
grab bomb
choose skill jump
press bomb
press lighter then quickly press chin-ups
go in hole
press jump
start with skill that looks like catching a ball
red button
press skill that looks like catching a ball
grab spear
choose skill swim
green button
press swim to swim up
grab lighter
choose skill throwing spear
press throw spear
choose skill looks like chin-ups
swim down
press yellow button
press green button
press yellow button
grab bomb
choose skill jump
press bomb
press lighter then quickly press chin-ups
go in hole
press jump