Cool Bluetooth Thermal Printer

Paid improved version at https://play.google.com/store/apps/details?id=com.alucardfox.KoolBTTP

Allows printing of text and images with a 5802LD thermal printer.
5802LD is not very good at printing images, so there will be a 12mm gap if the image is denser than simple outlines.

This app allows creating shortcuts to the home screen for quicker use of the printer.
Long-Click a printer label, to create a shortcut, that will open the app and connect to the printer automatically.
Long-Click 'send text', to create a shortcut that will open a notepad and allow you to print text directly.
Long-Click 'select image', to create a shortcut that will open the app, connect to the printer automatically, and open the gallery to pick an image.

This app is an early release with little to no settings, and is specifically designed for "hobby use" of a 5802LD thermal printer.

If there's suggestions, I will include them in the app. So please write suggestions and feature requests, I may include them. If there is any demand, I will add a settings tab to make other printers supported.