Creating applications for android gives you the opportunity to digitalize the business and attract more customers. The application keeps the attention and interest of regular customers, increases customer loyalty and empowers the company. New products are easier to promote thanks to the right customer-brand relationship. Development of applications for android will help not only expand the audience, but also to keep interest and make customers permanent. The smartphone era is pushing to digitalise business if it is to evolve and grow. It is a necessity that gives growth and a high level of competitiveness.