After all these years, and growing up with Windows 3.1, I have seen an entire evolution of computers and software. Touch screens and large resolutions were a pipe dream just 15 years ago. Now it's the norm. Going from a Packard Bell (yes, before HP) that couldn't run 3D Ultra Mini...
Don't waste your shots, for they'll push the gems closer to the hole and you don't want that.
If you can make a shot and grab a power-up, that's a much better course of action.
Think carefully before you equip the boost for your gem shooter.