7 Boom

The game will present numbers (it goes through them in order - starting with 1). You must press on each number it shows you, unless:

A. The number is a multiple of 7
B. One of the number's digits is 7 (e.g. 17 or 74).

If one of those conditions holds, you must press the BOOM icon instead.
If you press nothing for over 3 seconds, you lose too.

See how far you can get.