adjust font/size/color of the prompt, adjust color schemes etc

1. Once a while should add a random line to the bottom
2. Consider adding some weird blocks in terms of shape/transparency etc

Instead of swipe left/right to move one block left/right, try implementing drag to move left right

leave swipe down, and readjust its sensitivity...

So that we can continue game after it's brought to back

wtf there are two blocks flying? looks like the preview block is somehow considered when asserting game over

ideally each frame should just rotate once, we're rotating twice if swiping to fast

ditch some unnecessary loops to preserve battery...

keep track of high scores...

use spectrum color and animated growth

not working properly now, should check now block surroundings

Other wise the left score bar will not be cleared and flashing

Looks like we don't need to redraw everything each time...

use Toast to display actions

add start screen, provide new game, high score and tutorial

when trying to move left/right a block to the bottom of some blocks the current dropping block will stay in midair

dropping speed/level

of high scores to keep track of

why only 7 colors??

when blocking is still dropping should display a dropping location for the block

Yay!