Last-Echo is an application designed to manage and distribute digital messages and information to be released or sent via email after a user's death. This app provides users the ability to schedule messages, personal letters, documents, or media files to be sent to selected recipients or made public upon their passing.

1. Message Scheduling: Allows users to create and schedule the sending of emails or the posting of content on social networks with a predetermined send date after death confirmation.
2. Death Verification: Relies on multiple methods to verify death, including reports from family, access to medical records, or integration with government databases.
3. Secure Storage: Securely stores all scheduled messages and information with encryption and tightly controlled access, ensuring content is disclosed only after death verification.
4. Customizable Notifications: Offers options to customize who, when, and how information is sent, including support for multiple recipients and groups.
5. Digital Legacy: Allows for the creation of a digital memorial with photos, videos, and other files that are automatically shared with selected individuals or publicly.

The app ensures a high level of security and privacy through end-to-end encryption and strict protocols for verifying user identity and death. All data is protected and accessible only upon meeting defined criteria.

Last-Echo offers users a way to ensure that their final wishes and information are correctly distributed and published according to their desires, simplifying the process of handling one's digital legacy.