/ WHOAMI
Herdi Herdianurdin
Professional Android Developer
Independent software engineer building production-scale native Android applications. Focused on high-performance Kotlin architectures, memory management (Room DB), and monetization optimization (AdMob).
Android Education
Asmaul Husna Arti dan Makna
Audio and visual educational application to facilitate the learning of the 99 Names of Allah.
View on Play Store Android CAT Simulation
Bimbel & Simulasi CAT CPNS
Independent Computer Assisted Test (CAT) simulation platform for civil servant selection preparation.
View on Play Store Android Psychometric Test
Tes Potensi Akademik (TPA) Pro
Comprehensive Bappenas-standard academic competency testing module for entrance exams and job selections.
View on Play Store View GitHub Repositories ->