NOTE: This game is optimized for devices with 1 GB RAM, dual-core or above, the operation of the game on devices with less than this resources is not recommended. History: In the year 2.000, the World of Umi was invaded by the God of Darkness. Sensei JR created five fighter Jets for Umi and his friends, these jets were built with powerful weapons, and with them, they defeated all the enemies that were destroying everything, including ten mechanical beasts who surrounded the bridges of the cit