Gini interview questions

regular process * phone interview: basic 3 questions on Android and overview of the postion * a simple assignment with 3 3-hour timer to implement simple app that fetch data from an API * technical interview on the mission implementation and genaral technical questions * in company interview : general interview, the regular about me, some questions on everthing from background to spesfic stuff, very casual * recommendation phase passes some people to recommend

Had the HR interview and it was as typical as all other interviews that I had and passed successfully, but days after, received an "Unfortunately ..." email with no specific reason that why I got rejected.