Combo:baseball & tennis

Brief descriptions and operations are as follow.
(1)There are 6 3D games which will be paired to form a product line. From this product line, the customers can have a discount when purchase more than one game.
(2)The "Swap" item in the main menu can switch the games between the baseball and ball. In this combo, the scores of each game can be shared by each other.
(3)Because the operation method for tennis is very long, please refer to the full description of the game Sports: Tennis.
The following describes the operations of baseball:
(1)In this game, there are 180 levels. The remote control mode contained 90 levels is an old method for playing this game. The virtual reality mode, a brand new mode, contained 90 levels. This hitter, player, can has an immersive experience.
(2)A popup menu will show up when you touch the panel. The "Start" menu item can trigger the game and pitch the ball from pitch machine.
(3)On the left bottom corner of the screen, the plus sign button can swing the bat when the ball is launched. Holding this button can increase the speed of swing.
(4)There are direction buttons which can move the bat to up, down, left, and right for hitting the ball precisely. The ball can fly higher, faster, and further if the ball is hit by the topmost of the bat.
(5)Holding the direction buttons can move the bat consecutively. The hitting score depends on the swing speed and the accuracy of hitting.
(6)There are many mechanisms to let player play every level.
(7)This game was closer to the reality, because it added many physical phenomena and mathematics into it.

Recent changes:
v1.2.8=>upgrade to support Android 13
v1.2.9=>Adjusting the criteria for passing levels
v1.3.0=>Supporting upgrade
v1.3.1=>Upgrade game of tennis
v1.3.2=>some corrections