Two buttons selected

MIT App Inventor Help
5

Here's a version with one button at a time:

blocks
blocks755×1892 137 KB

color_match.aia (4.8 KB)
Designer
Designer816×526 64.6 KB

initialize global score to
to color_buttons do
to color_buttons do1478×560 101 KB

to colorOneRandomButton buttons color do
to colorOneRandomButton buttons color do1410×690 92.1 KB

to DisabledButtons result
to DisabledButtons result1146×534 63.1 KB

to randomColor result
to randomColor result1152×294 35.6 KB

when Screen1 .Initialize do
when Screen1 .Initialize do416×130 9.65 KB

when any Button.Click component notAlreadyHandled do
when any Button.Click component notAlreadyHandled do1510×1094 151 KB

Using list data to update UI Elements?