Company Elvis Pfutzenreuter created these great apps:
Touch 11i, Touch Fin, Touch Fin Palladium, Usurer financial calculator, SimplestGPS, Touch 16i, Touch 15i, Touch Fin Black-Scholes, Touch Fin RPN, Touch 11i Free scientific calculator, Biorhythmics, Photo Friend exposure and DoF, Touch 10i, Touch 11i Lite, and others..