Special Note：How to find more games? Find the "Games" icon and enter, select "Dir List", you will see FC/GB/GBA/GBC/SFC/SMD games, the number of games exceeds 6000, and does not repeat (consistent with the product title description). Finding games in "GBA" and "3D-Arcade Game" also does this, but the games in "GBA" / "3D-Arcade Game" are duplicated. there are 124 games in "GBA", and 84 games in "3D-Arcade. Specification : Storage:Built-in memory 8GB (expandable 16GB TF memory) Screen Size:5.1 Inch LCD Screen. Built-in Free Games, Built-in 6000 8-128-bit CPS/NES,for GBC,SMC,SMD,BIN,GBA ggames. E-BOOK:Support TXT, bookmark, Audio Format:MP3,WMA,WAV ,AAC,OGG etc, FLAC, APE lossless audio format Effect:Normal,Rock,Pop,Classic,Soft,Jazz,Heavy Bass,SRSWOW,SRSWOWHD, LRC synchronized Video Format:Support RM/RMVB,AVI,MKV,WMV,VOB,MOV,FLV,MP4,3GP,ASF etc 720P format movie Effect:720P <1280*720>standard definition video play, H.264 high rate fluent play Record:Support MP3,WAV,FM recording Picture Format:JPG,BMP,GIF,PNG,TIF format AV-OUT:Support 720P(YPbPr), support PAL/NTSC Other Function:Clock,Calendar,stopwatch Language: Multi (English, Japanese, Korean, Spanish, Portuguese, Russian,Italian French, German) Product size/weight:19.5*8.5*1.8CM /180g With package size/weight:20.5*10*6.5CM/335g Here are instructions for Game operating: 1.In the process of playing the game,Press the "ESC" button, select "Save Game" can save the game progress.Select "Resume" to return to the game. 2.If you want to play with last game progress,After entering game,select "Load Progress" . 3.Press the "ESC" button, select "Exit" to quit the game. 4.Please use charger below 1000mA when charging lithium battery, charging time 4-6 hours.