core, prop quantity, attack, defense, magic and other parameters).2. speed change gear: powerful gearshift gear, acceleration / deceleration, let you control.3. ingenious, fast, green, no charge, no advertising;
core, prop quantity, attack, defense, magic and other parameters).2. speed change gear: powerful gearshift gear, acceleration / deceleration, let you control.3. ingenious, fast, green, no charge, no advertising;