Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_93 (platform VARCHAR, name VARCHAR, system VARCHAR, license VARCHAR)
### Question:
What platform is nds4droid on for the nintendo ds with a license of gpl v2?
### Answer:
SELECT platform FROM table_name_93 WHERE system = "nintendo ds" AND license = "gpl v2" AND name = "nds4droid"