anyone please help me?can? Thank you all in advance, how can I enable my apps to be seen , purchased on computers, Macs, because right now only available on iPhones... again much appreciatefor your help and wisdom.d

Can anyone please help me? my apps are only able to be seen , purchased, thru iphone.. How can I add mac, computer, as well .. I thank you all in advance.. GD bless you for helping me..