Up the River (1938) is a prison comedy film starring Preston Foster and Arthur Treacher and featuring Bill "Bojangles" Robinson. The movie was directed by Alfred L. Werker and is a remake of a 1930 film with the same title directed by John Ford and starring Spencer Tracy and Humphrey Bogart in the roles subsequently played by Foster and Tony Martin.

Based on the paragraph above can we conclude that ""Bojangles" real name was Bill Robinson who was featured in the 1938 prison comedy Up the River starring Preston Foster and Arthur Treacher. It is a remake of a previously released movie under the same name directed by John Ford."?
Yes