Lightroom and Snapseed apps, part one – LIGHTROOM app, and soon I will upload the the part 2 with Snapseed. For what it is capable of Full Manual Control, if your smartphone is compatible, and photographe in RAW (in DNG format).
I advice often to use Lightroom app as a camera app
Full Manual Control is essential for free artistic photos,
of curse isn’t perfect app…
(see if your native smartphone app have the pro mode or the manual mode before installing this apps) :
Camera app for iPhone :
But this Adobe app can do much more, like image editing, color correction, classifications or star ratings, even copy files raw files from your camera to your smartphone.