Awesome

https://meltzow.github.io/deck-ng/

documentation:

• https://github.com/nextcloud/deck/blob/master/docs/API.md
• https://github.com/nextcloud/deck/blob/master/docs/API-Nextcloud.md
• https://docs.nextcloud.com/server/latest/developer_manual/client_apis/LoginFlow/index.html
• https://docs.nextcloud.com/server/latest/developer_manual/digging_deeper/rest_apis.html
• https://swagger.io/docs/specification/basic-structure/
• https://capacitorjs.com/docs/guides/deep-links

icons

• https://adaptiveicon.com/
• https://developer.android.com/develop/ui/views/launch/icon_design_adaptive
• https://developer.android.com/distribute/google-play/resources/icon-design-specifications