Not a bad idea. Lots of early 60’s cars and trucks running around on points or solid state boxes.
Drop in electronic ignition has been around for quite a long time for these old cars, this just gives you a drop in solution to do away with points, yet maintains the “classic“ looks. Pertronix is another drop in solution, just without the ability to alter the ignition parameters.
Being able to set a rev limiter or kill the ignition as a theft deterrent is a big plus. Same with being able to fine tune the ignition advance.
Your smart phone is just the interface, just like a code scanner, oem programming interface or laptop with the appropriate interface and software.