Namaste, I understand your requirement regarding an app which should run on both or atleast one of the platform,. Eventhough I am really comfortable in both scenarios. You requirements involves, front and back camera needed to work simultaneously , it also needs filter which are black, white and sepia. As an experienced developer i have developed many apps for my valuable clients, My expertise involves creating visually appealing UI/UX, with hands on experience on technologies like java, kotlin and swift.
For having brief idea about my competence, you can also check my portfolios by clicking on my profile.
I would like to discuss it in detail, so that i will get the idea about what important to you.
LET'S GET CONNECTED! TO PUSH IT FURTHER.
REGARDS,
Murtuza.