Aufgrund eines Tipps habe ich nach der Anwendung adb gesucht. Aber sie war anscheinend Nicht vorhanden:

[ Results for search key : adb ]
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*  app-mobilephone/qtadb [ Masked ]
      Latest version available: 0.8.1-r1
      Latest version installed: [ Not Installed ]
      Size of files: 1079 KiB
      Homepage:      https://qtadb.wordpress.com
      Description:   Android phone manager via ADB
      License:       Apache-2.0

*  dev-db/mariadb
      Latest version available: 10.6.10
      Latest version installed: [ Not Installed ]
      Size of files: 94198 KiB
      Homepage:      https://mariadb.org/
      Description:   An enhanced, drop-in replacement for MySQL
      License:       GPL-2 LGPL-2.1+

*  dev-db/mariadb-connector-c
      Latest version available: 3.2.5
      Latest version installed: 3.2.5
      Size of files: 970 KiB
      Homepage:      https://mariadb.org/
      Description:   C client library for MariaDB/MySQL
      License:       LGPL-2.1

*  dev-db/mariadb-connector-odbc
      Latest version available: 3.1.14
      Latest version installed: [ Not Installed ]
      Size of files: 537 KiB
      Homepage:      https://downloads.mariadb.org/connector-odbc/
      Description:   MariaDB Connector/ODBC
      License:       LGPL-2.1

*  dev-lua/luadbi
      Latest version available: 0.7.2-r1
      Latest version installed: [ Not Installed ]
      Size of files: 36 KiB
      Homepage:      https://github.com/mwild1/luadbi
      Description:   A database interface library for Lua
      License:       MIT

*  dev-perl/DBD-MariaDB [ Masked ]
      Latest version available: 1.220.0
      Latest version installed: [ Not Installed ]
      Size of files: 177 KiB
      Homepage:      https://metacpan.org/release/DBD-MariaDB
      Description:   MariaDB and MySQL driver for the Perl5 Database Interface (DBI)
      License:       || ( Artistic GPL-1+ )

*  dev-perl/File-ReadBackwards
      Latest version available: 1.60.0
      Latest version installed: [ Not Installed ]
      Size of files: 10 KiB
      Homepage:      https://metacpan.org/release/File-ReadBackwards
      Description:   Read a file backwards by lines
      License:       || ( Artistic GPL-1+ )

*  dev-python/adblock
      Latest version available: 0.6.0
      Latest version installed: [ Not Installed ]
      Size of files: 18322 KiB
      Homepage:      https://github.com/ArniDagur/python-adblock
      Description:   Python wrapper for Brave's adblocking library, which is written in Rust
      License:       Apache-2.0 Apache-2.0-with-LLVM-exceptions MIT MPL-2.0

*  media-sound/deadbeef
      Latest version available: 1.9.2-r1
      Latest version installed: [ Not Installed ]
      Size of files: 4986 KiB
      Homepage:      https://deadbeef.sourceforge.io/
      Description:   DeaDBeeF is a modular audio player similar to foobar2000
      License:       GPL-2 LGPL-2.1 wavpack? ( BSD )

*  net-misc/icingadb [ Masked ]
      Latest version available: 1.1.0
      Latest version installed: [ Not Installed ]
      Size of files: 12748 KiB
      Homepage:      https://icinga.com/docs/icinga-db/
      Description:   Icinga configuration and state database supporting multiple environments
      License:       GPL-2

*  net-misc/mobile-broadband-provider-info
      Latest version available: 20221107
      Latest version installed: 20221107
      Size of files: 84 KiB
      Homepage:      https://wiki.gnome.org/Projects/NetworkManager/MobileBroadband
      Description:   Database of mobile broadband service providers
      License:       CC-PD

*  sys-apps/lsadb [ Masked ]
      Latest version available: 0.1.3-r1
      Latest version installed: [ Not Installed ]
      Size of files: 7 KiB
      Homepage:      http://pbbuttons.berlios.de/projects/lsadb/
      Description:   Prints out information on all devices attached to the ADB bus
      License:       GPL-2

*  sys-libs/db
      Latest version available: 5.3.28-r8
      Latest version installed: [ Not Installed ]
      Size of files: 34268 KiB
      Homepage:      http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html
      Description:   Oracle Berkeley DB
      License:       Sleepycat

*  www-apps/icingadb-web [ Masked ]
      Latest version available: 1.0.2
      Latest version installed: [ Not Installed ]
      Size of files: 2244 KiB
      Homepage:      https://icinga.com/docs/icinga-db-web/
      Description:   UI for Icinga DB
      License:       GPL-2

[ Applications found : 14 ]

Doch sie ist vorhanden. Nur heisst sie unter Portage Android Tools:
https://packages.gentoo.org/packages/dev-util/android-tools