Normally a versatile left footed forward or winger, Schall is considered one of the greatest Austrian men's footballers.

[2] A pacy, skillful forward, Schall possessed fine finishing and great attacking intelligence.

His success with the national team included making Runner-up at the 1927-30 Central European International Cup, Winner at the 1931-32 Central European International Cup being top scorer for Austria & reaching the semifinals at the 1934 FIFA World Cup.

[3] After his playing career, Schall, who suffered from a rare heart condition, moved to Switzerland and took over Basel as club trainer in the 1946–47 season.

Schall led Basel to win the Swiss Cup, 3–0 in the final against Lausanne Sports.