You can use emojis in this app, but only those that come with your phone. For instance, I used some from my Motorola Moto G.
TESTED ON: Motorola Moto G, Sony Xperia M, Tablet Huaweii Media Pad 10.
• Noise simulation.
• Write your own diary.
• Add pages and delete them (long press a page to delete it).
• Save button so you can easily save the page (or press back if you want to discard changes).
• Change the title with a button.
• Get a TIME STAMP with a button (so you don't have to type it yourself).
• Back button.