If you want to find a mobile phone APP with P graphics, just add text, and it must have all kinds of font colors and sizes, and it can be vertical and horizontal, especially the recent brush words.
Mobile phone software can add text to pictures. There are many softwares, such as simple sketching and playing with pictures. Daily P-pictures, Mito, Xiu Xiu MIXLR and other powerful software, such as mobile phone version of ps touch picsart photo editor. Just try it. If it is a computer web version, most of them can be made.