Some feedback: I get a message telling me to change my browser on iOS. You should display your normal front page with whatever value proposition, features, etc you have there so I can at least learn if I want to use your site whenever I do work on a normal PC.
I agree, that's good advice for platforms/devices that won't be able to run the app. For iOS the author doesn't have to do anything but wait.
The app gave you that message because Mobile Safari doesn't have a file picker. That'll change in iOS 6, which will be released within the next few months.
Exactly. I'm growing from an iPad and got this message:
"Sorry, it isn't working out between us
It's not you, I just can't get along with your browser. Maybe if things change in the future... maybe if you bring Chrome, Firefox, Opera or even IE10 to the party... not promising anything, but give me a call.
pass <canvas> element
fail File & FileReader
pass addEventListener on elements"
However, I still up-voted this article because of all the good suggestions other people added for good sprit generators.