Ortografía, developed by Paco Gibanel Salazar, is a free Android app that falls under the Education & Reference category. The app presents random sentences taken from Spanish and world literature, with spelling mistakes that the user must correct. The app offers three levels of difficulty, each with increasing complexity and without any contact information for the developer.

The first level consists of brief sentences that are not taken from any literary work and have help available. The second level includes longer sentences taken from Spanish and world literature, with some help available. The third level contains equally or more extended prayers than the second, but with a higher number of errors and taken from Spanish literary texts, without any help.

The app's interface is simple and user-friendly, making it accessible to anyone who wants to improve their Spanish spelling. Overall, Ortografía is a helpful app for those looking to improve their Spanish spelling skills.