Simplify the following text for a Grade 5 native English-speaking person.
Original: Samuel `` Sammy '' Adjei ( born 1 September 1980 in Accra , Ghana ) is a Ghanaian footballer who currently plays for Accra Hearts of Oak SC .
Simplified: Sammy Adjei ( born 1 September 1980 ) is a Ghanaian football player . He has played for Ghana national team .