A:AnswerEven if you bought it on a disc, you can still download the program online instead. The advantage of that is that you will be downloading the newest version, and will not have to do a lengthy update, an additional step if installing from the disc.
The only issue some might have downloading to Android is data use. Presumably you would use your Internet access rather than phone data plan.
The Adobe tech support line was amazingly helpful (800-833-6687).