Delivered as web applications using server-side or client-side processing to provide an "application-like"

Experience within a Web browser Application software developers also must consider a long array of screen sizes, hardware specifications, and configurations because of intense competition in mobile software and changes within each of the platforms

Mobile user interface (UI) design is also essential in the creation of mobile apps.

Mobile UI considers constraints, contexts, screen, input, and mobility as outlines for design.

Mobile UI contexts signal cues from user activity, such as location and scheduling that can be shown from user interactions within a mobile app.

This functionality is supported by mobile enterprise application platforms or integrated development

About App Development

Back-end tools pick up where the front-end tools leave off, and provide a set of reusable services that are centrally managed and controlled and provide the following abilities:

Integration with back-end systems

User authentication-authorization

Data services

Reusable business logic

App wrapping for security

Data encryption

Criteria for selecting a development platform usually contains the target mobile platforms, existing infrastructure and development skills.

The availability of the technology and the project's requirement may drive the development between native and cross-platform environments.